diff --git a/index.html b/index.html
index e161a25..0153c2e 100644
--- a/index.html
+++ b/index.html
@@ -722,6 +722,7 @@
         <div class="abs-sleep-custom-row">
           <span class="abs-sleep-custom-label">Eigene Zeit</span>
           <input id="abs-sleep-custom-input" type="number" min="1" max="999" placeholder="Min" onkeydown="if(event.key==='Enter'){var v=parseInt(this.value);if(v>0)absSleepIn(v);}">
+          <button class="abs-sleep-custom-ok" onclick="var v=parseInt(document.getElementById('abs-sleep-custom-input').value);if(v>0)absSleepIn(v);">OK</button>
         </div>
       </div>
     </div>
diff --git a/styles.css b/styles.css
index 1e31359..be86016 100644
--- a/styles.css
+++ b/styles.css
@@ -956,6 +956,7 @@ nav{flex:1;overflow-y:auto;padding:4px 10px}
 .abs-sleep-custom-row input:focus{border-color:var(--accent)}
 .abs-sleep-custom-row input[type=number]::-webkit-inner-spin-button,.abs-sleep-custom-row input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
 .abs-sleep-custom-row input[type=number]{-moz-appearance:textfield}
+.abs-sleep-custom-ok{flex-shrink:0;padding:4px 10px;background:var(--accent);border:none;border-radius:6px;color:#fff;font-family:var(--font);font-size:12px;font-weight:600;cursor:pointer}
 .abs-chapter-list{flex-shrink:0;overflow-y:auto;max-height:0;transition:max-height .3s ease;border-top:1px solid transparent}
 .abs-chapter-list.open{max-height:220px;border-color:var(--border)}
 .abs-ch-item{display:flex;align-items:center;gap:10px;padding:8px 20px;cursor:pointer;transition:background .15s}