diff --git a/lib/services/player_service.dart b/lib/services/player_service.dart
index 41ad637..b9dc25a 100644
--- a/lib/services/player_service.dart
+++ b/lib/services/player_service.dart
@@ -33,6 +33,10 @@ class PlayerService extends ChangeNotifier {
   // ─── Wiederholmodus (Repeat) ───
   Wiederholmodus _wiederholmodus = Wiederholmodus.aus;
 
+  // ─── Sleep-Timer ───
+  Timer? _sleepTimer;
+  DateTime? _sleepEnde;
+
   AudioPlayer get _p {
     if (_player == null) {
       _player = AudioPlayer();
@@ -301,9 +305,43 @@ class PlayerService extends ChangeNotifier {
     notifyListeners();
   }
 
+  // ─── Sleep-Timer ───
+
+  bool get sleepTimerAktiv => _sleepTimer != null;
+
+  /// Verbleibende Zeit bis zum automatischen Pausieren (null wenn inaktiv).
+  Duration? get sleepRestzeit {
+    final ende = _sleepEnde;
+    if (ende == null) return null;
+    final rest = ende.difference(DateTime.now());
+    return rest.isNegative ? Duration.zero : rest;
+  }
+
+  /// Startet den Sleep-Timer — nach [dauer] wird die Wiedergabe pausiert.
+  void setSleepTimer(Duration dauer) {
+    cancelSleepTimer();
+    _sleepEnde = DateTime.now().add(dauer);
+    _sleepTimer = Timer(dauer, () {
+      _sleepTimer = null;
+      _sleepEnde = null;
+      pause();
+      notifyListeners();
+    });
+    notifyListeners();
+  }
+
+  /// Bricht den Sleep-Timer ab.
+  void cancelSleepTimer() {
+    _sleepTimer?.cancel();
+    _sleepTimer = null;
+    _sleepEnde = null;
+    notifyListeners();
+  }
+
   @override
   void dispose() {
     _autoNextSub?.cancel();
+    _sleepTimer?.cancel();
     _player?.dispose();
     _player = null;
     _songWechsel.close();
diff --git a/lib/widgets/warteschlange_sheet.dart b/lib/widgets/warteschlange_sheet.dart
index 854dc6c..cf42796 100644
--- a/lib/widgets/warteschlange_sheet.dart
+++ b/lib/widgets/warteschlange_sheet.dart
@@ -1,3 +1,4 @@
+import 'dart:async';
 import 'package:flutter/material.dart';
 import '../services/player_service.dart';
 import '../models/song.dart';
@@ -14,6 +15,22 @@ class WarteschlangeSheet extends StatefulWidget {
 
 class _WarteschlangeSheetState extends State<WarteschlangeSheet> {
   final PlayerService _player = PlayerService();
+  Timer? _tick;
+
+  @override
+  void initState() {
+    super.initState();
+    // Sekunden-Tick für die Sleep-Timer-Restzeitanzeige
+    _tick = Timer.periodic(const Duration(seconds: 1), (_) {
+      if (mounted && _player.sleepTimerAktiv) setState(() {});
+    });
+  }
+
+  @override
+  void dispose() {
+    _tick?.cancel();
+    super.dispose();
+  }
 
   @override
   Widget build(BuildContext context) {
@@ -77,6 +94,8 @@ class _WarteschlangeSheetState extends State<WarteschlangeSheet> {
                     ),
                   ),
                   const Divider(height: 1, color: MeloTheme.dunkel2),
+                  _sleepTimerZeile(),
+                  const Divider(height: 1, color: MeloTheme.dunkel2),
                   // Liste
                   if (queue.isEmpty)
                     const Expanded(
@@ -108,6 +127,75 @@ class _WarteschlangeSheetState extends State<WarteschlangeSheet> {
     );
   }
 
+  /// Sleep-Timer-Zeile: Optionen Aus/15/30/45/60 Min + Restzeit wenn aktiv
+  Widget _sleepTimerZeile() {
+    final aktiv = _player.sleepTimerAktiv;
+    final rest = _player.sleepRestzeit;
+    return Padding(
+      padding: const EdgeInsets.fromLTRB(20, 8, 20, 8),
+      child: Row(
+        children: [
+          Icon(
+            Icons.bedtime,
+            size: 16,
+            color: aktiv ? MeloTheme.rot : MeloTheme.textSekundaer,
+          ),
+          const SizedBox(width: 8),
+          const Text(
+            'Schlaf-Timer',
+            style: TextStyle(fontSize: 13, color: Colors.white),
+          ),
+          if (aktiv && rest != null) ...[
+            const SizedBox(width: 8),
+            Text(
+              _formatRestzeit(rest),
+              style: const TextStyle(fontSize: 12, color: MeloTheme.rot),
+            ),
+          ],
+          const Spacer(),
+          _zeitChip('Aus', null, aktiv: !aktiv),
+          _zeitChip('15', const Duration(minutes: 15)),
+          _zeitChip('30', const Duration(minutes: 30)),
+          _zeitChip('45', const Duration(minutes: 45)),
+          _zeitChip('60', const Duration(minutes: 60)),
+        ],
+      ),
+    );
+  }
+
+  Widget _zeitChip(String label, Duration? dauer, {bool aktiv = false}) {
+    return GestureDetector(
+      onTap: () {
+        if (dauer == null) {
+          _player.cancelSleepTimer();
+        } else {
+          _player.setSleepTimer(dauer);
+        }
+      },
+      child: Container(
+        margin: const EdgeInsets.only(left: 6),
+        padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
+        decoration: BoxDecoration(
+          color: aktiv ? MeloTheme.rot : MeloTheme.dunkel2,
+          borderRadius: BorderRadius.circular(12),
+        ),
+        child: Text(
+          label,
+          style: TextStyle(
+            fontSize: 11,
+            color: aktiv ? Colors.white : MeloTheme.textSekundaer,
+          ),
+        ),
+      ),
+    );
+  }
+
+  String _formatRestzeit(Duration rest) {
+    final min = rest.inMinutes;
+    final sek = rest.inSeconds % 60;
+    return '⏱ ${min.toString().padLeft(2, '0')}:${sek.toString().padLeft(2, '0')}';
+  }
+
   Widget _eintrag(Song song, int index, int aktueller) {
     final istAktuell = index == aktueller;
     return ListTile(