diff --git a/app/src/main/java/com/bnyro/clock/ui/screens/StopwatchScreen.kt b/app/src/main/java/com/bnyro/clock/ui/screens/StopwatchScreen.kt
index 71f437a8..0179e1fe 100644
--- a/app/src/main/java/com/bnyro/clock/ui/screens/StopwatchScreen.kt
+++ b/app/src/main/java/com/bnyro/clock/ui/screens/StopwatchScreen.kt
@@ -29,11 +29,13 @@ import androidx.compose.material3.LargeFloatingActionButton
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalView
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import com.bnyro.clock.R
@@ -56,7 +58,9 @@ fun StopwatchScreen(onClickSettings: () -> Unit, stopwatchModel: StopwatchModel)
     val timeStampsState = rememberLazyListState()
     TopBarScaffold(title = stringResource(R.string.stopwatch), onClickSettings) { pv ->
         Column(
-            modifier = Modifier.fillMaxSize().padding(pv),
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(pv),
             horizontalAlignment = Alignment.CenterHorizontally
         ) {
             Box(
@@ -187,4 +191,18 @@ fun StopwatchScreen(onClickSettings: () -> Unit, stopwatchModel: StopwatchModel)
             }
         }
     }
+    if (stopwatchModel.scheduledObject.state.value == WatchState.RUNNING)
+        KeepScreenOn()
 }
+
+//https://stackoverflow.com/a/71293123/9652621
+@Composable
+fun KeepScreenOn() {
+    val currentView = LocalView.current
+    DisposableEffect(Unit) {
+        currentView.keepScreenOn = true
+        onDispose {
+            currentView.keepScreenOn = false
+        }
+    }
+}
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