diff --git a/lib/I18n/translations/belarusian.yaml b/lib/I18n/translations/belarusian.yaml
index 4e48dd80..66660085 100644
--- a/lib/I18n/translations/belarusian.yaml
+++ b/lib/I18n/translations/belarusian.yaml
@@ -143,7 +143,6 @@ STR_ALIGN_LEFT: "Па левым краі"
 STR_CENTER: "Па цэнтры"
 STR_ALIGN_RIGHT: "Па правым краі"
 STR_MIN_1: "1 хв"
-STR_MIN_3: "3 хв"
 STR_MIN_5: "5 хв"
 STR_MIN_10: "10 хв"
 STR_MIN_15: "15 хв"
@@ -296,6 +295,9 @@ STR_DISPLAY_QR: "Паказаць старонку як QR"
 STR_FOOTNOTES: "Зноскі"
 STR_NO_FOOTNOTES: "На гэтай старонцы няма зносак"
 STR_LINK: "[спасылка]"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u хв"
+STR_SLEEP_NEVER: "Ніколі"
+STR_SLEEP_TIMER_STEP_HINT: "Улева/Управа: 1 хв  Уверх/Уніз: 5 хв"
 STR_AUTO_TURN_ENABLED: "Аўтаперагортванне: "
 STR_AUTO_TURN_PAGES_PER_MIN: "Аўтаперагортванне (старонак за хвіліну)"
 STR_TILT_PAGE_TURN: "Перагортванне нахілам"
diff --git a/lib/I18n/translations/catalan.yaml b/lib/I18n/translations/catalan.yaml
index 739c66be..a3036366 100644
--- a/lib/I18n/translations/catalan.yaml
+++ b/lib/I18n/translations/catalan.yaml
@@ -154,7 +154,6 @@ STR_ALIGN_LEFT: "Esquerra"
 STR_CENTER: "Centre"
 STR_ALIGN_RIGHT: "Dreta"
 STR_MIN_1: "1 min"
-STR_MIN_3: "3 min"
 STR_MIN_5: "5 min"
 STR_MIN_10: "10 min"
 STR_MIN_15: "15 min"
@@ -304,6 +303,9 @@ STR_OPDS_SERVER_URL: "URL del servidor OPDS"
 STR_FOOTNOTES: "Notes al peu"
 STR_NO_FOOTNOTES: "No hi ha notes al peu en aquesta pàgina"
 STR_LINK: "[enllaç]"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u min"
+STR_SLEEP_NEVER: "Mai"
+STR_SLEEP_TIMER_STEP_HINT: "Esquerra/Dreta: 1 min  Amunt/Avall: 5 min"
 STR_SCREENSHOT_BUTTON: "Fes una captura de pantalla"
 STR_AUTO_TURN_ENABLED: "Passar automàtic activat: "
 STR_AUTO_TURN_PAGES_PER_MIN: "Passar automàtic (pàgines per minut)"
diff --git a/lib/I18n/translations/czech.yaml b/lib/I18n/translations/czech.yaml
index 75ce495b..32450c19 100644
--- a/lib/I18n/translations/czech.yaml
+++ b/lib/I18n/translations/czech.yaml
@@ -148,7 +148,6 @@ STR_ALIGN_LEFT: "Vlevo"
 STR_CENTER: "Na střed"
 STR_ALIGN_RIGHT: "Vpravo"
 STR_MIN_1: "1 min"
-STR_MIN_3: "3 min"
 STR_MIN_5: "5 min"
 STR_MIN_10: "10 min"
 STR_MIN_15: "15 min"
@@ -273,4 +272,7 @@ STR_EMBEDDED_STYLE: "Vložený styl"
 STR_FOCUS_READING: "Soustředěné čtení"
 STR_OPDS_SERVER_URL: "URL serveru OPDS"
 STR_SCREENSHOT_BUTTON: "Udělat snímek obrazovky"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u min"
+STR_SLEEP_NEVER: "Nikdy"
+STR_SLEEP_TIMER_STEP_HINT: "Vlevo/Vpravo: 1 min  Nahoru/Dolů: 5 min"
 STR_TILT_PAGE_TURN: "Otáčení stránek nakloněním"
diff --git a/lib/I18n/translations/danish.yaml b/lib/I18n/translations/danish.yaml
index bbea5c2a..53f8ad20 100644
--- a/lib/I18n/translations/danish.yaml
+++ b/lib/I18n/translations/danish.yaml
@@ -153,7 +153,6 @@ STR_ALIGN_LEFT: "Venstre"
 STR_CENTER: "Centreret"
 STR_ALIGN_RIGHT: "Højre"
 STR_MIN_1: "1 min"
-STR_MIN_3: "3 min"
 STR_MIN_5: "5 min"
 STR_MIN_10: "10 min"
 STR_MIN_15: "15 min"
@@ -298,6 +297,9 @@ STR_OPDS_SERVER_URL: "OPDS Server URL"
 STR_FOOTNOTES: "Fodnoter"
 STR_NO_FOOTNOTES: "Ingen fodnoter på denne side"
 STR_LINK: "[link]"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u min"
+STR_SLEEP_NEVER: "Aldrig"
+STR_SLEEP_TIMER_STEP_HINT: "Venstre/Højre: 1 min  Op/Ned: 5 min"
 STR_SCREENSHOT_BUTTON: "Tag skærmbillede"
 STR_AUTO_TURN_ENABLED: "Automatisk sidevendning aktiveret: "
 STR_AUTO_TURN_PAGES_PER_MIN: "Automatisk vending (sider per minut)"
diff --git a/lib/I18n/translations/dutch.yaml b/lib/I18n/translations/dutch.yaml
index 67a09da0..8d1a44f8 100644
--- a/lib/I18n/translations/dutch.yaml
+++ b/lib/I18n/translations/dutch.yaml
@@ -153,7 +153,6 @@ STR_ALIGN_LEFT: "Links"
 STR_CENTER: "Centreren"
 STR_ALIGN_RIGHT: "Rechts"
 STR_MIN_1: "1 min"
-STR_MIN_3: "3 min"
 STR_MIN_5: "5 min"
 STR_MIN_10: "10 min"
 STR_MIN_15: "15 min"
@@ -298,6 +297,9 @@ STR_OPDS_SERVER_URL: "OPDS-server URL"
 STR_FOOTNOTES: "Voetnoten"
 STR_NO_FOOTNOTES: "Geen voetnoten op deze pagina"
 STR_LINK: "[link]"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u min"
+STR_SLEEP_NEVER: "Nooit"
+STR_SLEEP_TIMER_STEP_HINT: "Links/Rechts: 1 min  Omhoog/Omlaag: 5 min"
 STR_SCREENSHOT_BUTTON: "Screenshot maken"
 STR_AUTO_TURN_ENABLED: "Automatisch omslaan ingeschakeld: "
 STR_AUTO_TURN_PAGES_PER_MIN: "Autom. omslaan (pagina's per minuut)"
diff --git a/lib/I18n/translations/english.yaml b/lib/I18n/translations/english.yaml
index 0e3105de..2136f6e7 100644
--- a/lib/I18n/translations/english.yaml
+++ b/lib/I18n/translations/english.yaml
@@ -156,7 +156,6 @@ STR_ALIGN_LEFT: "Left"
 STR_CENTER: "Center"
 STR_ALIGN_RIGHT: "Right"
 STR_MIN_1: "1 min"
-STR_MIN_3: "3 min"
 STR_MIN_5: "5 min"
 STR_MIN_10: "10 min"
 STR_MIN_15: "15 min"
@@ -330,6 +329,9 @@ STR_FOOTNOTES: "Footnotes"
 STR_NO_FOOTNOTES: "No footnotes on this page"
 STR_LINK: "[link]"
 STR_SCREENSHOT_BUTTON: "Take screenshot"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u min"
+STR_SLEEP_NEVER: "Never"
+STR_SLEEP_TIMER_STEP_HINT: "Left/Right: 1 min  Up/Down: 5 min"
 STR_ADD_SERVER: "Add Server"
 STR_SERVER_NAME: "Server Name"
 STR_NO_SERVERS: "No OPDS servers configured"
diff --git a/lib/I18n/translations/finnish.yaml b/lib/I18n/translations/finnish.yaml
index 9e44573c..3a22a4cf 100644
--- a/lib/I18n/translations/finnish.yaml
+++ b/lib/I18n/translations/finnish.yaml
@@ -148,7 +148,6 @@ STR_ALIGN_LEFT: "Vasen"
 STR_CENTER: "Keskitetty"
 STR_ALIGN_RIGHT: "Oikea"
 STR_MIN_1: "1 min"
-STR_MIN_3: "3 min"
 STR_MIN_5: "5 min"
 STR_MIN_10: "10 min"
 STR_MIN_15: "15 min"
@@ -271,4 +270,7 @@ STR_EMBEDDED_STYLE: "Upotettu tyyli"
 STR_FOCUS_READING: "Keskittynyt lukeminen"
 STR_OPDS_SERVER_URL: "OPDS-palvelimen osoite"
 STR_SCREENSHOT_BUTTON: "Ota kuvakaappaus"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u min"
+STR_SLEEP_NEVER: "Ei koskaan"
+STR_SLEEP_TIMER_STEP_HINT: "Vasen/Oikea: 1 min  Ylös/Alas: 5 min"
 STR_TILT_PAGE_TURN: "Sivunkääntö kallistamalla"
diff --git a/lib/I18n/translations/french.yaml b/lib/I18n/translations/french.yaml
index 0db131a4..8497c8eb 100644
--- a/lib/I18n/translations/french.yaml
+++ b/lib/I18n/translations/french.yaml
@@ -153,7 +153,6 @@ STR_ALIGN_LEFT: "Gauche"
 STR_CENTER: "Centré"
 STR_ALIGN_RIGHT: "Droite"
 STR_MIN_1: "1 min"
-STR_MIN_3: "3 min"
 STR_MIN_5: "5 min"
 STR_MIN_10: "10 min"
 STR_MIN_15: "15 min"
@@ -299,6 +298,9 @@ STR_OPDS_SERVER_URL: "URL serveur OPDS"
 STR_FOOTNOTES: "Notes de bas de page"
 STR_NO_FOOTNOTES: "Aucune note sur cette page"
 STR_LINK: "[lien]"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u min"
+STR_SLEEP_NEVER: "Jamais"
+STR_SLEEP_TIMER_STEP_HINT: "Gauche/Droite : 1 min  Haut/Bas : 5 min"
 STR_SCREENSHOT_BUTTON: "Capture d'écran"
 STR_AUTO_TURN_ENABLED: "Tourne-page auto : "
 STR_AUTO_TURN_PAGES_PER_MIN: "Tourne-page auto (pages par minute)"
diff --git a/lib/I18n/translations/german.yaml b/lib/I18n/translations/german.yaml
index ac417fde..31b87bb3 100644
--- a/lib/I18n/translations/german.yaml
+++ b/lib/I18n/translations/german.yaml
@@ -151,7 +151,6 @@ STR_ALIGN_LEFT: "Links"
 STR_CENTER: "Zentriert"
 STR_ALIGN_RIGHT: "Rechts"
 STR_MIN_1: "1 Min"
-STR_MIN_3: "3 Min"
 STR_MIN_5: "5 Min"
 STR_MIN_10: "10 Min"
 STR_MIN_15: "15 Min"
@@ -299,6 +298,9 @@ STR_SCREENSHOT_BUTTON: "Screenshot aufnehmen"
 STR_FOOTNOTES: "Fußnoten"
 STR_NO_FOOTNOTES: "Keine Fußnoten auf dieser Seite"
 STR_LINK: "[Link]"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u Min."
+STR_SLEEP_NEVER: "Nie"
+STR_SLEEP_TIMER_STEP_HINT: "Links/Rechts: 1 Min.  Hoch/Runter: 5 Min."
 STR_AUTO_TURN_ENABLED: "Auto-Umblättern aktiv: "
 STR_AUTO_TURN_PAGES_PER_MIN: "Auto-Umblättern (Seiten/Min.)"
 STR_IMAGES: "Bilder"
diff --git a/lib/I18n/translations/hungarian.yaml b/lib/I18n/translations/hungarian.yaml
index 8da9c204..e40fe819 100644
--- a/lib/I18n/translations/hungarian.yaml
+++ b/lib/I18n/translations/hungarian.yaml
@@ -150,7 +150,6 @@ STR_ALIGN_LEFT: "Bal"
 STR_CENTER: "Közép"
 STR_ALIGN_RIGHT: "Jobb"
 STR_MIN_1: "1 perc"
-STR_MIN_3: "3 perc"
 STR_MIN_5: "5 perc"
 STR_MIN_10: "10 perc"
 STR_MIN_15: "15 perc"
@@ -295,6 +294,9 @@ STR_OPDS_SERVER_URL: "OPDS szerver URL"
 STR_FOOTNOTES: "Lábjegyzetek"
 STR_NO_FOOTNOTES: "Nincsenek lábjegyzetek ezen az oldalon"
 STR_LINK: "[link]"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u perc"
+STR_SLEEP_NEVER: "Soha"
+STR_SLEEP_TIMER_STEP_HINT: "Bal/Jobb: 1 perc  Fel/Le: 5 perc"
 STR_SCREENSHOT_BUTTON: "Képernyőkép készítése"
 STR_AUTO_TURN_ENABLED: "Automatikus lapozás bekapcsolva: "
 STR_AUTO_TURN_PAGES_PER_MIN: "Automatikus lapozás (oldal/perc)"
diff --git a/lib/I18n/translations/italian.yaml b/lib/I18n/translations/italian.yaml
index 198176ba..0277ac9a 100644
--- a/lib/I18n/translations/italian.yaml
+++ b/lib/I18n/translations/italian.yaml
@@ -154,7 +154,6 @@ STR_ALIGN_LEFT: "Sinistra"
 STR_CENTER: "Centrato"
 STR_ALIGN_RIGHT: "Destra"
 STR_MIN_1: "1 min"
-STR_MIN_3: "3 min"
 STR_MIN_5: "5 min"
 STR_MIN_10: "10 min"
 STR_MIN_15: "15 min"
@@ -308,6 +307,9 @@ STR_SET_SLEEP_COVER: "Imposta copertina"
 STR_FOOTNOTES: "Note a piè pagina"
 STR_NO_FOOTNOTES: "Nessuna nota in questa pagina"
 STR_LINK: "[link]"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u min"
+STR_SLEEP_NEVER: "Mai"
+STR_SLEEP_TIMER_STEP_HINT: "Sinistra/Destra: 1 min  Su/Giù: 5 min"
 STR_SCREENSHOT_BUTTON: "Screenshot"
 STR_ADD_SERVER: "Aggiungi server"
 STR_SERVER_NAME: "Nome server"
diff --git a/lib/I18n/translations/kazakh.yaml b/lib/I18n/translations/kazakh.yaml
index 7e909a92..14c6f75d 100644
--- a/lib/I18n/translations/kazakh.yaml
+++ b/lib/I18n/translations/kazakh.yaml
@@ -144,7 +144,6 @@ STR_ALIGN_LEFT: "Солға"
 STR_CENTER: "Ортаға"
 STR_ALIGN_RIGHT: "Оңға"
 STR_MIN_1: "1 мин"
-STR_MIN_3: "3 мин"
 STR_MIN_5: "5 мин"
 STR_MIN_10: "10 мин"
 STR_MIN_15: "15 мин"
@@ -294,6 +293,9 @@ STR_DISPLAY_QR: "Бетті QR ретінде көрсету"
 STR_FOOTNOTES: "Түсіндірме жазбалар"
 STR_NO_FOOTNOTES: "Бұл бетте түсіндірме жазбалар жоқ"
 STR_LINK: "[сілтеме]"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u мин"
+STR_SLEEP_NEVER: "Ешқашан"
+STR_SLEEP_TIMER_STEP_HINT: "Сол/Оң: 1 мин  Жоғары/Төмен: 5 мин"
 STR_SCREENSHOT_BUTTON: "Скриншот түсіру"
 STR_AUTO_TURN_ENABLED: "Автоматты бет аудару қосулы: "
 STR_AUTO_TURN_PAGES_PER_MIN: "Автоматты бет аудару (минутына бет саны)"
diff --git a/lib/I18n/translations/lithuanian.yaml b/lib/I18n/translations/lithuanian.yaml
index 636255cc..b9e8701f 100644
--- a/lib/I18n/translations/lithuanian.yaml
+++ b/lib/I18n/translations/lithuanian.yaml
@@ -150,7 +150,6 @@ STR_ALIGN_LEFT: "Kairė"
 STR_CENTER: "Centras"
 STR_ALIGN_RIGHT: "Dešinė"
 STR_MIN_1: "1 min"
-STR_MIN_3: "3 min"
 STR_MIN_5: "5 min"
 STR_MIN_10: "10 min"
 STR_MIN_15: "15 min"
@@ -295,6 +294,9 @@ STR_OPDS_SERVER_URL: "OPDS URL"
 STR_FOOTNOTES: "Išnašos"
 STR_NO_FOOTNOTES: "Šiame psl. išnašų nėra"
 STR_LINK: "[nuoroda]"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u min."
+STR_SLEEP_NEVER: "Niekada"
+STR_SLEEP_TIMER_STEP_HINT: "Kairė/Dešinė: 1 min.  Viršus/Apačia: 5 min."
 STR_SCREENSHOT_BUTTON: "Ekrano nuotrauka"
 STR_AUTO_TURN_ENABLED: "Auto-vertimas: "
 STR_AUTO_TURN_PAGES_PER_MIN: "Auto-vertimas (psl/min)"
diff --git a/lib/I18n/translations/polish.yaml b/lib/I18n/translations/polish.yaml
index c82c85dd..8309f8e8 100644
--- a/lib/I18n/translations/polish.yaml
+++ b/lib/I18n/translations/polish.yaml
@@ -154,7 +154,6 @@ STR_ALIGN_LEFT: "Lewo"
 STR_CENTER: "Środek"
 STR_ALIGN_RIGHT: "Prawo"
 STR_MIN_1: "1 min"
-STR_MIN_3: "3 min"
 STR_MIN_5: "5 min"
 STR_MIN_10: "10 min"
 STR_MIN_15: "15 min"
@@ -308,6 +307,9 @@ STR_SET_SLEEP_COVER: "Ustaw okładkę"
 STR_FOOTNOTES: "Przypisy"
 STR_NO_FOOTNOTES: "Brak przypisów na tej stronie"
 STR_LINK: "[link]"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u min"
+STR_SLEEP_NEVER: "Nigdy"
+STR_SLEEP_TIMER_STEP_HINT: "Lewo/Prawo: 1 min  Góra/Dół: 5 min"
 STR_SCREENSHOT_BUTTON: "Zrób zrzut ekranu"
 STR_ADD_SERVER: "Dodaj serwer"
 STR_SERVER_NAME: "Nazwa serwera"
diff --git a/lib/I18n/translations/portuguese.yaml b/lib/I18n/translations/portuguese.yaml
index aa534893..6d7ed92f 100644
--- a/lib/I18n/translations/portuguese.yaml
+++ b/lib/I18n/translations/portuguese.yaml
@@ -148,7 +148,6 @@ STR_ALIGN_LEFT: "Esquerda"
 STR_CENTER: "Centralizar"
 STR_ALIGN_RIGHT: "Direita"
 STR_MIN_1: "1 min"
-STR_MIN_3: "3 min"
 STR_MIN_5: "5 min"
 STR_MIN_10: "10 min"
 STR_MIN_15: "15 min"
@@ -273,4 +272,7 @@ STR_EMBEDDED_STYLE: "Estilo embutido"
 STR_FOCUS_READING: "Leitura focada"
 STR_OPDS_SERVER_URL: "URL do servidor OPDS"
 STR_SCREENSHOT_BUTTON: "Capturar tela"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u min"
+STR_SLEEP_NEVER: "Nunca"
+STR_SLEEP_TIMER_STEP_HINT: "Esq/Dir: 1 min  Cima/Baixo: 5 min"
 STR_TILT_PAGE_TURN: "Virar página por inclinação"
diff --git a/lib/I18n/translations/romanian.yaml b/lib/I18n/translations/romanian.yaml
index 886ccb32..4c0e2a73 100644
--- a/lib/I18n/translations/romanian.yaml
+++ b/lib/I18n/translations/romanian.yaml
@@ -153,7 +153,6 @@ STR_ALIGN_LEFT: "Stânga"
 STR_CENTER: "Centru"
 STR_ALIGN_RIGHT: "Dreapta"
 STR_MIN_1: "1 min"
-STR_MIN_3: "3 min"
 STR_MIN_5: "5 min"
 STR_MIN_10: "10 min"
 STR_MIN_15: "15 min"
@@ -298,6 +297,9 @@ STR_OPDS_SERVER_URL: "URL server OPDS"
 STR_FOOTNOTES: "Note de subsol"
 STR_NO_FOOTNOTES: "Nicio notă de subsol"
 STR_LINK: "[link]"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u min"
+STR_SLEEP_NEVER: "Niciodată"
+STR_SLEEP_TIMER_STEP_HINT: "Stânga/Dreapta: 1 min  Sus/Jos: 5 min"
 STR_SCREENSHOT_BUTTON: "Captură ecran"
 STR_AUTO_TURN_ENABLED: "Răsfoire automată: "
 STR_AUTO_TURN_PAGES_PER_MIN: "Pagini pe minut"
diff --git a/lib/I18n/translations/russian.yaml b/lib/I18n/translations/russian.yaml
index ad26999f..25aab2dd 100644
--- a/lib/I18n/translations/russian.yaml
+++ b/lib/I18n/translations/russian.yaml
@@ -155,7 +155,6 @@ STR_ALIGN_LEFT: "По левому краю"
 STR_CENTER: "По центру"
 STR_ALIGN_RIGHT: "По правому краю"
 STR_MIN_1: "1 мин"
-STR_MIN_3: "3 мин"
 STR_MIN_5: "5 мин"
 STR_MIN_10: "10 мин"
 STR_MIN_15: "15 мин"
@@ -314,6 +313,9 @@ STR_SET_SLEEP_COVER: "Обложкой"
 STR_FOOTNOTES: "Примечания"
 STR_NO_FOOTNOTES: "На данной странице нет примечаний"
 STR_LINK: "[ссылка]"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u мин"
+STR_SLEEP_NEVER: "Никогда"
+STR_SLEEP_TIMER_STEP_HINT: "Влево/Вправо: 1 мин  Вверх/Вниз: 5 мин"
 STR_SCREENSHOT_BUTTON: "Сделать снимок экрана"
 STR_ADD_SERVER: "Добавить сервер"
 STR_SERVER_NAME: "Имя сервера"
diff --git a/lib/I18n/translations/slovenian.yaml b/lib/I18n/translations/slovenian.yaml
index 3d862522..2e04edeb 100644
--- a/lib/I18n/translations/slovenian.yaml
+++ b/lib/I18n/translations/slovenian.yaml
@@ -150,7 +150,6 @@ STR_ALIGN_LEFT: "Levo"
 STR_CENTER: "Sredinsko"
 STR_ALIGN_RIGHT: "Desno"
 STR_MIN_1: "1 min"
-STR_MIN_3: "3 min"
 STR_MIN_5: "5 min"
 STR_MIN_10: "10 min"
 STR_MIN_15: "15 min"
@@ -295,6 +294,9 @@ STR_OPDS_SERVER_URL: "URL OPDS strežnika"
 STR_FOOTNOTES: "Opombe"
 STR_NO_FOOTNOTES: "Na tej strani ni opomb"
 STR_LINK: "[povezava]"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u min"
+STR_SLEEP_NEVER: "Nikoli"
+STR_SLEEP_TIMER_STEP_HINT: "Levo/desno: 1 min  Gor/dol: 5 min"
 STR_SCREENSHOT_BUTTON: "Naredi posnetek zaslona"
 STR_AUTO_TURN_ENABLED: "Samodejno obračanje: "
 STR_AUTO_TURN_PAGES_PER_MIN: "Samodejno obračanje (strani na minuto)"
diff --git a/lib/I18n/translations/spanish.yaml b/lib/I18n/translations/spanish.yaml
index 6ae4b7fd..81c6f1af 100644
--- a/lib/I18n/translations/spanish.yaml
+++ b/lib/I18n/translations/spanish.yaml
@@ -155,7 +155,6 @@ STR_ALIGN_LEFT: "Izquierda"
 STR_CENTER: "Centro"
 STR_ALIGN_RIGHT: "Derecha"
 STR_MIN_1: "1 min."
-STR_MIN_3: "3 min."
 STR_MIN_5: "5 min."
 STR_MIN_10: "10 min."
 STR_MIN_15: "15 min."
@@ -329,6 +328,9 @@ STR_SET_SLEEP_COVER: "Pant. sus."
 STR_FOOTNOTES: "Pie de página"
 STR_NO_FOOTNOTES: "No hay notas al pie de esta página"
 STR_LINK: "[enlace]"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u min."
+STR_SLEEP_NEVER: "Nunca"
+STR_SLEEP_TIMER_STEP_HINT: "Izq./Dcha.: 1 min.  Subir/Bajar: 5 min."
 STR_SCREENSHOT_BUTTON: "Tomar captura de pantalla"
 STR_ADD_SERVER: "Agregar servidor"
 STR_SERVER_NAME: "Nombre de servidor"
diff --git a/lib/I18n/translations/swedish.yaml b/lib/I18n/translations/swedish.yaml
index e00e42c2..ff9c4b09 100644
--- a/lib/I18n/translations/swedish.yaml
+++ b/lib/I18n/translations/swedish.yaml
@@ -156,7 +156,6 @@ STR_ALIGN_LEFT: "Vänster"
 STR_CENTER: "Mitten"
 STR_ALIGN_RIGHT: "Höger"
 STR_MIN_1: "1 min"
-STR_MIN_3: "3 min"
 STR_MIN_5: "5 min"
 STR_MIN_10: "10 min"
 STR_MIN_15: "15 min"
@@ -330,6 +329,9 @@ STR_SET_SLEEP_COVER: "Ställ in omslag"
 STR_FOOTNOTES: "Fotnoter"
 STR_NO_FOOTNOTES: "Inga fotnoter på den här sidan"
 STR_LINK: "[länk]"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u min"
+STR_SLEEP_NEVER: "Aldrig"
+STR_SLEEP_TIMER_STEP_HINT: "Vänster/Höger: 1 min  Upp/Ner: 5 min"
 STR_SCREENSHOT_BUTTON: "Ta en skärmdump"
 STR_ADD_SERVER: "Lägg till server"
 STR_SERVER_NAME: "Servernamn"
diff --git a/lib/I18n/translations/turkish.yaml b/lib/I18n/translations/turkish.yaml
index 1ee6dbc3..f87aef7b 100644
--- a/lib/I18n/translations/turkish.yaml
+++ b/lib/I18n/translations/turkish.yaml
@@ -148,7 +148,6 @@ STR_ALIGN_LEFT: "Sola Yasla"
 STR_CENTER: "Ortala"
 STR_ALIGN_RIGHT: "Sağa Yasla"
 STR_MIN_1: "1 dak"
-STR_MIN_3: "3 dak"
 STR_MIN_5: "5 dak"
 STR_MIN_10: "10 dak"
 STR_MIN_15: "15 dak"
@@ -289,6 +288,9 @@ STR_IMAGES_DISPLAY: "Göster"
 STR_IMAGES_PLACEHOLDER: "Yer Tutucu"
 STR_IMAGES_SUPPRESS: "Bastır"
 STR_LINK: "[bağlantı]"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u dak"
+STR_SLEEP_NEVER: "Asla"
+STR_SLEEP_TIMER_STEP_HINT: "Sol/Sağ: 1 dak  Yukarı/Aşağı: 5 dak"
 STR_NO_FILES_FOUND: "Dosya bulunamadı"
 STR_NO_FOOTNOTES: "Bu sayfada dipnot yok"
 STR_PREVIEW: "Önizleme"
diff --git a/lib/I18n/translations/ukrainian.yaml b/lib/I18n/translations/ukrainian.yaml
index 218f0c88..f41b8487 100644
--- a/lib/I18n/translations/ukrainian.yaml
+++ b/lib/I18n/translations/ukrainian.yaml
@@ -154,7 +154,6 @@ STR_ALIGN_LEFT: "За лівим краєм"
 STR_CENTER: "По центру"
 STR_ALIGN_RIGHT: "За правим краєм"
 STR_MIN_1: "1 хв"
-STR_MIN_3: "3 хв"
 STR_MIN_5: "5 хв"
 STR_MIN_10: "10 хв"
 STR_MIN_15: "15 хв"
@@ -308,6 +307,9 @@ STR_SET_SLEEP_COVER: "Як обкл."
 STR_FOOTNOTES: "Примітки"
 STR_NO_FOOTNOTES: "На цій сторінці немає приміток"
 STR_LINK: "[посилання]"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u хв"
+STR_SLEEP_NEVER: "Ніколи"
+STR_SLEEP_TIMER_STEP_HINT: "Вліво/Вправо: 1 хв  Вгору/Вниз: 5 хв"
 STR_SCREENSHOT_BUTTON: "Знімок екрана"
 STR_ADD_SERVER: "Додати сервер"
 STR_SERVER_NAME: "Назва сервера"
diff --git a/lib/I18n/translations/valencian.yaml b/lib/I18n/translations/valencian.yaml
index 59a78fbc..9e3da89a 100644
--- a/lib/I18n/translations/valencian.yaml
+++ b/lib/I18n/translations/valencian.yaml
@@ -85,6 +85,9 @@ STR_SCREEN_MARGIN: "Marge de pantalla del lector"
 STR_PARA_ALIGNMENT: "Alineació de paràgrafs del lector"
 STR_HYPHENATION: "Partició de mots"
 STR_TIME_TO_SLEEP: "Temps per entrar en repòs"
+STR_SLEEP_TIMER_VALUE_FORMAT: "%u min"
+STR_SLEEP_NEVER: "Mai"
+STR_SLEEP_TIMER_STEP_HINT: "Esquerra/Dreta: 1 min  Amunt/Avall: 5 min"
 STR_SHOW_HIDDEN_FILES: "Mostra arxius ocults"
 STR_REMOVE_READ_FROM_RECENTS: "Esborra els llibres llegits de la llista de recents"
 STR_MOVE_FINISHED_TO_READ: "Mou els llibres acabats a la carpeta Read"
@@ -155,7 +158,6 @@ STR_ALIGN_LEFT: "Esquerra"
 STR_CENTER: "Centre"
 STR_ALIGN_RIGHT: "Dreta"
 STR_MIN_1: "1 min"
-STR_MIN_3: "3 min"
 STR_MIN_5: "5 min"
 STR_MIN_10: "10 min"
 STR_MIN_15: "15 min"
diff --git a/src/CrossPointSettings.cpp b/src/CrossPointSettings.cpp
index cbf46e9d..d3ec2131 100644
--- a/src/CrossPointSettings.cpp
+++ b/src/CrossPointSettings.cpp
@@ -79,6 +79,22 @@ void CrossPointSettings::validateFrontButtonMapping(CrossPointSettings& settings
   }
 }
 
+uint8_t CrossPointSettings::sleepTimeoutEnumToMinutes(const uint8_t legacyValue) {
+  switch (legacyValue) {
+    case SLEEP_1_MIN:
+      return 1;
+    case SLEEP_5_MIN:
+      return 5;
+    case SLEEP_15_MIN:
+      return 15;
+    case SLEEP_30_MIN:
+      return 30;
+    case SLEEP_10_MIN:
+    default:
+      return 10;
+  }
+}
+
 bool CrossPointSettings::saveToFile() const {
   Storage.mkdir("/.crosspoint");
   return JsonSettingsIO::saveSettings(*this, SETTINGS_FILE_JSON);
@@ -186,7 +202,9 @@ bool CrossPointSettings::loadFromBinaryFile() {
     if (++settingsRead >= fileSettingsCount) break;
     readAndValidate(inputFile, paragraphAlignment, PARAGRAPH_ALIGNMENT_COUNT);
     if (++settingsRead >= fileSettingsCount) break;
-    readAndValidate(inputFile, sleepTimeout, SLEEP_TIMEOUT_COUNT);
+    uint8_t legacySleepTimeout = SLEEP_10_MIN;
+    readAndValidate(inputFile, legacySleepTimeout, SLEEP_TIMEOUT_COUNT);
+    sleepTimeoutMinutes = sleepTimeoutEnumToMinutes(legacySleepTimeout);
     if (++settingsRead >= fileSettingsCount) break;
     readAndValidate(inputFile, refreshFrequency, REFRESH_FREQUENCY_COUNT);
     if (++settingsRead >= fileSettingsCount) break;
@@ -304,22 +322,10 @@ float CrossPointSettings::getReaderLineCompression() const {
 }
 
 unsigned long CrossPointSettings::getSleepTimeoutMs() const {
-  switch (sleepTimeout) {
-    case SLEEP_1_MIN:
-      return 1UL * 60 * 1000;
-    case SLEEP_3_MIN:
-      return 3UL * 60 * 1000;
-    case SLEEP_5_MIN:
-      return 5UL * 60 * 1000;
-    case SLEEP_10_MIN:
-      return 10UL * 60 * 1000;
-    case SLEEP_15_MIN:
-      return 15UL * 60 * 1000;
-    case SLEEP_30_MIN:
-      return 30UL * 60 * 1000;
-    default:
-      return 10UL * 60 * 1000;
-  }
+  if (sleepTimeoutMinutes >= SLEEP_TIMEOUT_NEVER_MINUTES) return 0UL;
+  const uint8_t minutes =
+      std::clamp(sleepTimeoutMinutes, MIN_SLEEP_TIMEOUT_MINUTES, static_cast<uint8_t>(SLEEP_TIMEOUT_NEVER_MINUTES - 1));
+  return static_cast<unsigned long>(minutes) * 60UL * 1000UL;
 }
 
 int CrossPointSettings::getRefreshFrequency() const {
diff --git a/src/CrossPointSettings.h b/src/CrossPointSettings.h
index c4bbc6b5..a8b99a68 100644
--- a/src/CrossPointSettings.h
+++ b/src/CrossPointSettings.h
@@ -115,11 +115,10 @@ class CrossPointSettings {
   // Auto-sleep timeout options (in minutes)
   enum SLEEP_TIMEOUT {
     SLEEP_1_MIN = 0,
-    SLEEP_3_MIN = 1,
-    SLEEP_5_MIN = 2,
-    SLEEP_10_MIN = 3,
-    SLEEP_15_MIN = 4,
-    SLEEP_30_MIN = 5,
+    SLEEP_5_MIN = 1,
+    SLEEP_10_MIN = 2,
+    SLEEP_15_MIN = 3,
+    SLEEP_30_MIN = 4,
     SLEEP_TIMEOUT_COUNT
   };
 
@@ -210,8 +209,8 @@ class CrossPointSettings {
   uint8_t fontSize = MEDIUM;
   uint8_t lineSpacing = NORMAL;
   uint8_t paragraphAlignment = JUSTIFIED;
-  // Auto-sleep timeout setting (default 10 minutes)
-  uint8_t sleepTimeout = SLEEP_10_MIN;
+  // Auto-sleep timeout setting (default 10 minutes). Legacy sleepTimeout enum values are migration-only.
+  uint8_t sleepTimeoutMinutes = 10;
   // E-ink refresh frequency (default 15 pages)
   uint8_t refreshFrequency = REFRESH_15;
   uint8_t hyphenationEnabled = 0;
@@ -256,6 +255,10 @@ class CrossPointSettings {
   // Get singleton instance
   static CrossPointSettings& getInstance() { return instance; }
 
+  static constexpr uint8_t MIN_SLEEP_TIMEOUT_MINUTES = 1;
+  static constexpr uint8_t SLEEP_TIMEOUT_NEVER_MINUTES = 31;
+  static constexpr uint8_t MAX_SLEEP_TIMEOUT_MINUTES = SLEEP_TIMEOUT_NEVER_MINUTES;
+
   // Callback to resolve SD card font IDs. Set by SdCardFontSystem::begin().
   // Returns font ID or 0 if not found.
   using SdFontIdResolver = int (*)(void* ctx, const char* familyName, uint8_t fontSize);
@@ -274,6 +277,7 @@ class CrossPointSettings {
   bool loadFromFile();
 
   static void validateFrontButtonMapping(CrossPointSettings& settings);
+  static uint8_t sleepTimeoutEnumToMinutes(uint8_t legacyValue);
 
  private:
   bool loadFromBinaryFile();
diff --git a/src/JsonSettingsIO.cpp b/src/JsonSettingsIO.cpp
index ef79a30c..d9c15d39 100644
--- a/src/JsonSettingsIO.cpp
+++ b/src/JsonSettingsIO.cpp
@@ -224,6 +224,13 @@ bool JsonSettingsIO::loadSettings(CrossPointSettings& s, const char* json, bool*
     }
   }
 
+  if (doc["sleepTimeoutMinutes"].isNull() && !doc["sleepTimeout"].isNull()) {
+    const uint8_t legacyValue =
+        clamp(doc["sleepTimeout"] | (uint8_t)CrossPointSettings::SLEEP_10_MIN, CrossPointSettings::SLEEP_TIMEOUT_COUNT,
+              (uint8_t)CrossPointSettings::SLEEP_10_MIN);
+    s.sleepTimeoutMinutes = CrossPointSettings::sleepTimeoutEnumToMinutes(legacyValue);
+    if (needsResave) *needsResave = true;
+  }
   // Front button remap — managed by RemapFrontButtons sub-activity, not in SettingsList.
   using S = CrossPointSettings;
   s.frontButtonBack =
diff --git a/src/SettingsList.h b/src/SettingsList.h
index 19c31c3f..38a338a0 100644
--- a/src/SettingsList.h
+++ b/src/SettingsList.h
@@ -178,10 +178,10 @@ inline std::vector<SettingInfo> getSettingsList(const SdCardFontRegistry* regist
                           "shortPwrBtn", StrId::STR_CAT_CONTROLS),
 
         // --- System ---
-        SettingInfo::Enum(StrId::STR_TIME_TO_SLEEP, &CrossPointSettings::sleepTimeout,
-                          {StrId::STR_MIN_1, StrId::STR_MIN_3, StrId::STR_MIN_5, StrId::STR_MIN_10, StrId::STR_MIN_15,
-                           StrId::STR_MIN_30},
-                          "sleepTimeout", StrId::STR_CAT_SYSTEM),
+        SettingInfo::Value(
+            StrId::STR_TIME_TO_SLEEP, &CrossPointSettings::sleepTimeoutMinutes,
+            {CrossPointSettings::MIN_SLEEP_TIMEOUT_MINUTES, CrossPointSettings::MAX_SLEEP_TIMEOUT_MINUTES, 1},
+            "sleepTimeoutMinutes", StrId::STR_CAT_SYSTEM),
         SettingInfo::Toggle(StrId::STR_SHOW_HIDDEN_FILES, &CrossPointSettings::showHiddenFiles, "showHiddenFiles",
                             StrId::STR_CAT_SYSTEM),
         SettingInfo::Toggle(StrId::STR_REMOVE_READ_FROM_RECENTS, &CrossPointSettings::removeReadBooksFromRecents,
diff --git a/src/activities/ActivityResult.h b/src/activities/ActivityResult.h
index 84aa91c6..cc996967 100644
--- a/src/activities/ActivityResult.h
+++ b/src/activities/ActivityResult.h
@@ -32,6 +32,10 @@ struct PercentResult {
   int percent = 0;
 };
 
+struct IntervalResult {
+  uint32_t value = 0;
+};
+
 struct PageResult {
   uint32_t page = 0;
 };
@@ -55,8 +59,9 @@ struct FilePathResult {
   std::string path;
 };
 
-using ResultVariant = std::variant<std::monostate, WifiResult, KeyboardResult, MenuResult, ChapterResult, PercentResult,
-                                   PageResult, ProgressChangeResult, NetworkModeResult, FootnoteResult, FilePathResult>;
+using ResultVariant =
+    std::variant<std::monostate, WifiResult, KeyboardResult, MenuResult, ChapterResult, PercentResult, IntervalResult,
+                 PageResult, ProgressChangeResult, NetworkModeResult, FootnoteResult, FilePathResult>;
 
 struct ActivityResult {
   bool isCancelled = false;
diff --git a/src/activities/settings/SettingsActivity.cpp b/src/activities/settings/SettingsActivity.cpp
index 8a5888d9..5e8b5773 100644
--- a/src/activities/settings/SettingsActivity.cpp
+++ b/src/activities/settings/SettingsActivity.cpp
@@ -3,6 +3,10 @@
 #include <GfxRenderer.h>
 #include <Logging.h>
 
+#include <algorithm>
+#include <cstdio>
+#include <cstring>
+
 #include "ButtonRemapActivity.h"
 #include "ClearCacheActivity.h"
 #include "CrossPointSettings.h"
@@ -18,6 +22,7 @@
 #include "SettingsList.h"
 #include "StatusBarSettingsActivity.h"
 #include "activities/network/WifiSelectionActivity.h"
+#include "activities/util/IntervalSelectionActivity.h"
 #include "components/UITheme.h"
 #include "fontIds.h"
 
@@ -183,6 +188,11 @@ void SettingsActivity::toggleCurrentSetting() {
   const bool sleepScreenChanged = setting.valuePtr == &CrossPointSettings::sleepScreen;
   const bool quickResumeTimeoutChanged = setting.valuePtr == &CrossPointSettings::quickResumeSleepScreen;
 
+  if (setting.nameId == StrId::STR_TIME_TO_SLEEP) {
+    openSleepTimeoutPicker();
+    return;
+  }
+
   if (setting.type == SettingType::TOGGLE && setting.valuePtr != nullptr) {
     // Toggle the boolean value using the member pointer
     const bool currentValue = SETTINGS.*(setting.valuePtr);
@@ -286,6 +296,22 @@ void SettingsActivity::syncQuickResumeTimeoutForSleepScreen(bool sleepScreenChan
   }
 }
 
+void SettingsActivity::openSleepTimeoutPicker() {
+  startActivityForResult(
+      std::make_unique<IntervalSelectionActivity>(
+          renderer, mappedInput, "SleepTimeoutInterval", StrId::STR_TIME_TO_SLEEP, StrId::STR_SLEEP_TIMER_STEP_HINT,
+          SETTINGS.sleepTimeoutMinutes, CrossPointSettings::MIN_SLEEP_TIMEOUT_MINUTES,
+          CrossPointSettings::MAX_SLEEP_TIMEOUT_MINUTES, 1, 5, StrId::STR_SLEEP_TIMER_VALUE_FORMAT, false, true,
+          StrId::STR_SLEEP_NEVER),
+      [this](const ActivityResult& result) {
+        if (!result.isCancelled) {
+          SETTINGS.sleepTimeoutMinutes = static_cast<uint8_t>(std::get<IntervalResult>(result.data).value);
+          SETTINGS.saveToFile();
+        }
+        requestUpdate();
+      });
+}
+
 void SettingsActivity::render(RenderLock&&) {
   renderer.clearScreen();
 
@@ -330,16 +356,30 @@ void SettingsActivity::render(RenderLock&&) {
             valueText = I18N.get(setting.enumValues[value]);
           }
         } else if (setting.type == SettingType::VALUE && setting.valuePtr != nullptr) {
-          valueText = std::to_string(SETTINGS.*(setting.valuePtr));
+          if (setting.nameId == StrId::STR_TIME_TO_SLEEP) {
+            char valueBuffer[32];
+            if (SETTINGS.sleepTimeoutMinutes >= CrossPointSettings::SLEEP_TIMEOUT_NEVER_MINUTES) {
+              valueText = tr(STR_SLEEP_NEVER);
+            } else {
+              snprintf(valueBuffer, sizeof(valueBuffer), tr(STR_SLEEP_TIMER_VALUE_FORMAT),
+                       static_cast<unsigned int>(SETTINGS.*(setting.valuePtr)));
+              valueText = valueBuffer;
+            }
+          } else {
+            valueText = std::to_string(SETTINGS.*(setting.valuePtr));
+          }
         }
         return valueText;
       },
       true);
 
   // Draw help text
-  const auto confirmLabel = (selectedSettingIndex == 0)
-                                ? I18N.get(categoryNames[(selectedCategoryIndex + 1) % categoryCount])
-                                : tr(STR_TOGGLE);
+  const auto confirmLabel =
+      (selectedSettingIndex == 0)
+          ? I18N.get(categoryNames[(selectedCategoryIndex + 1) % categoryCount])
+          : (selectedSettingIndex > 0 && (*currentSettings)[selectedSettingIndex - 1].nameId == StrId::STR_TIME_TO_SLEEP
+                 ? tr(STR_SELECT)
+                 : tr(STR_TOGGLE));
   const auto labels = mappedInput.mapLabels(tr(STR_BACK), confirmLabel, tr(STR_DIR_UP), tr(STR_DIR_DOWN));
   GUI.drawButtonHints(renderer, labels.btn1, labels.btn2, labels.btn3, labels.btn4);
 
diff --git a/src/activities/settings/SettingsActivity.h b/src/activities/settings/SettingsActivity.h
index 44a22ea9..5ec639a0 100644
--- a/src/activities/settings/SettingsActivity.h
+++ b/src/activities/settings/SettingsActivity.h
@@ -164,6 +164,7 @@ class SettingsActivity final : public Activity {
 
   void enterCategory(int categoryIndex);
   void toggleCurrentSetting();
+  void openSleepTimeoutPicker();
   void rebuildSettingsLists();
   void syncQuickResumeTimeoutForSleepScreen(bool sleepScreenChanged, bool quickResumeTimeoutChanged);
 
diff --git a/src/activities/util/IntervalSelectionActivity.cpp b/src/activities/util/IntervalSelectionActivity.cpp
new file mode 100644
index 00000000..8323b7cb
--- /dev/null
+++ b/src/activities/util/IntervalSelectionActivity.cpp
@@ -0,0 +1,97 @@
+#include "IntervalSelectionActivity.h"
+
+#include <GfxRenderer.h>
+#include <I18n.h>
+
+#include <algorithm>
+#include <cstdio>
+#include <utility>
+
+#include "components/UITheme.h"
+#include "fontIds.h"
+
+int IntervalSelectionActivity::clampedValue(const int candidate) const {
+  return std::clamp(candidate, minValue, maxValue);
+}
+
+void IntervalSelectionActivity::onEnter() {
+  Activity::onEnter();
+  value = clampedValue(value);
+  requestUpdate();
+}
+
+void IntervalSelectionActivity::adjustValue(const int delta) {
+  value = clampedValue(value + delta);
+  requestUpdate();
+}
+
+void IntervalSelectionActivity::loop() {
+  if (ignoreConfirmRelease) {
+    if (mappedInput.wasReleased(MappedInputManager::Button::Confirm)) {
+      ignoreConfirmRelease = false;
+      return;
+    }
+    if (!mappedInput.isPressed(MappedInputManager::Button::Confirm)) {
+      ignoreConfirmRelease = false;
+    }
+  }
+
+  if (mappedInput.wasReleased(MappedInputManager::Button::Back)) {
+    ActivityResult result;
+    result.isCancelled = true;
+    setResult(std::move(result));
+    finish();
+    return;
+  }
+
+  if (mappedInput.wasReleased(MappedInputManager::Button::Confirm)) {
+    setResult(IntervalResult{static_cast<uint32_t>(value)});
+    finish();
+    return;
+  }
+
+  buttonNavigator.onPressAndContinuous({MappedInputManager::Button::Left}, [this] { adjustValue(-smallStep); });
+  buttonNavigator.onPressAndContinuous({MappedInputManager::Button::Right}, [this] { adjustValue(smallStep); });
+  buttonNavigator.onPressAndContinuous({MappedInputManager::Button::Up}, [this] { adjustValue(largeStep); });
+  buttonNavigator.onPressAndContinuous({MappedInputManager::Button::Down}, [this] { adjustValue(-largeStep); });
+}
+
+void IntervalSelectionActivity::render(RenderLock&&) {
+  renderer.clearScreen();
+
+  renderer.drawCenteredText(UI_12_FONT_ID, 15, I18N.get(titleId), true, EpdFontFamily::BOLD);
+
+  char formattedValue[32];
+  if (maxBoundaryLabelId != StrId::STR_NONE_OPT && value == maxValue) {
+    snprintf(formattedValue, sizeof(formattedValue), "%s", I18N.get(maxBoundaryLabelId));
+  } else if (valueFormatId != StrId::STR_NONE_OPT) {
+    snprintf(formattedValue, sizeof(formattedValue), I18N.get(valueFormatId), static_cast<unsigned int>(value));
+  } else {
+    snprintf(formattedValue, sizeof(formattedValue), "%d", value);
+  }
+  renderer.drawCenteredText(UI_12_FONT_ID, 90, formattedValue, true, EpdFontFamily::BOLD);
+
+  const int screenWidth = renderer.getScreenWidth();
+  const int barWidth = std::min(360, std::max(0, screenWidth - 40));
+  constexpr int barHeight = 16;
+  const int barX = std::max(0, (screenWidth - barWidth) / 2);
+  const int barY = 140;
+
+  renderer.drawRect(barX, barY, barWidth, barHeight);
+
+  const int range = std::max(1, maxValue - minValue);
+  const int fillWidth = (barWidth - 4) * (value - minValue) / range;
+  if (fillWidth > 0) {
+    renderer.fillRect(barX + 2, barY + 2, fillWidth, barHeight - 4);
+  }
+
+  const int knobX = std::max(barX + 2, barX + 2 + fillWidth - 2);
+  renderer.fillRect(knobX, barY - 4, 4, barHeight + 8, true);
+
+  renderer.drawCenteredText(SMALL_FONT_ID, barY + 30, I18N.get(stepHintId), true);
+
+  const auto labels = mappedInput.mapLabels(tr(STR_BACK), tr(STR_SELECT), "-", "+");
+  GUI.drawButtonHints(renderer, labels.btn1, labels.btn2, labels.btn3, labels.btn4);
+
+  renderer.displayBuffer();
+}
diff --git a/src/activities/util/IntervalSelectionActivity.h b/src/activities/util/IntervalSelectionActivity.h
new file mode 100644
index 00000000..d20fc0c4
--- /dev/null
+++ b/src/activities/util/IntervalSelectionActivity.h
@@ -0,0 +1,52 @@
+#pragma once
+
+#include <I18n.h>
+
+#include "MappedInputManager.h"
+#include "activities/Activity.h"
+#include "util/ButtonNavigator.h"
+
+class GfxRenderer;
+
+class IntervalSelectionActivity final : public Activity {
+ public:
+  explicit IntervalSelectionActivity(GfxRenderer& renderer, MappedInputManager& mappedInput, const char* activityName,
+                                     StrId titleId, StrId stepHintId, int initialValue, int minValue, int maxValue,
+                                     int smallStep, int largeStep, StrId valueFormatId = StrId::STR_NONE_OPT,
+                                     bool readerActivity = false, bool ignoreInitialConfirmRelease = false,
+                                     StrId maxBoundaryLabelId = StrId::STR_NONE_OPT)
+      : Activity(activityName, renderer, mappedInput),
+        titleId(titleId),
+        stepHintId(stepHintId),
+        valueFormatId(valueFormatId),
+        maxBoundaryLabelId(maxBoundaryLabelId),
+        value(initialValue),
+        minValue(minValue),
+        maxValue(maxValue),
+        smallStep(smallStep),
+        largeStep(largeStep),
+        readerActivity(readerActivity),
+        ignoreConfirmRelease(ignoreInitialConfirmRelease) {}
+
+  void onEnter() override;
+  void loop() override;
+  void render(RenderLock&&) override;
+  bool isReaderActivity() const override { return readerActivity; }
+
+ private:
+  StrId titleId;
+  StrId stepHintId;
+  StrId valueFormatId;
+  StrId maxBoundaryLabelId;
+  int value;
+  int minValue;
+  int maxValue;
+  int smallStep;
+  int largeStep;
+  bool readerActivity;
+  bool ignoreConfirmRelease;
+  ButtonNavigator buttonNavigator;
+
+  void adjustValue(int delta);
+  int clampedValue(int candidate) const;
+};
diff --git a/src/main.cpp b/src/main.cpp
index 63184439..7e8d2c4f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -574,7 +574,7 @@ void loop() {
   }
 
   const unsigned long sleepTimeoutMs = SETTINGS.getSleepTimeoutMs();
-  if (millis() - lastActivityTime >= sleepTimeoutMs) {
+  if (sleepTimeoutMs > 0 && millis() - lastActivityTime >= sleepTimeoutMs) {
     LOG_DBG("SLP", "Auto-sleep triggered after %lu ms of inactivity", sleepTimeoutMs);
     enterDeepSleep(true);
     // This should never be hit as `enterDeepSleep` calls esp_deep_sleep_start