diff --git a/index.html b/index.html
index 3e7b0b6..0cfb031 100644
--- a/index.html
+++ b/index.html
@@ -832,6 +832,12 @@
                             <path d="M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z"/>
                         </svg>
                     </button>
+                    <button id="sleep-timer-btn" title="Sleep Timer" class="mobile-only">
+                        <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+                            <circle cx="12" cy="12" r="10"/>
+                            <polyline points="12,6 12,12 16,14"/>
+                        </svg>
+                    </button>
                     <button id="queue-btn" title="Queue">
                         <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-list-icon lucide-list"><path d="M3 5h.01"/><path d="M3 12h.01"/><path d="M3 19h.01"/><path d="M8 5h13"/><path d="M8 12h13"/><path d="M8 19h13"/></svg>
                     </button>