diff --git a/packages/SystemUI/compose/features/src/com/android/systemui/scene/ui/composable/SceneContainer.kt b/packages/SystemUI/compose/features/src/com/android/systemui/scene/ui/composable/SceneContainer.kt
index c865070..ffb20d8 100644
--- a/packages/SystemUI/compose/features/src/com/android/systemui/scene/ui/composable/SceneContainer.kt
+++ b/packages/SystemUI/compose/features/src/com/android/systemui/scene/ui/composable/SceneContainer.kt
@@ -22,7 +22,9 @@
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
+import androidx.compose.ui.ExperimentalComposeUiApi
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.input.pointer.motionEventSpy
 import com.android.compose.animation.scene.Back
 import com.android.compose.animation.scene.ObservableTransitionState as SceneTransitionObservableTransitionState
 import com.android.compose.animation.scene.SceneKey as SceneTransitionSceneKey
@@ -56,6 +58,7 @@
  *   must have entries in this map.
  * @param modifier A modifier.
  */
+@OptIn(ExperimentalComposeUiApi::class)
 @Composable
 fun SceneContainer(
     viewModel: SceneContainerViewModel,
@@ -79,7 +82,7 @@
         onChangeScene = viewModel::onSceneChanged,
         transitions = SceneContainerTransitions,
         state = state,
-        modifier = modifier.fillMaxSize(),
+        modifier = modifier.fillMaxSize().motionEventSpy { viewModel.onUserInput() },
     ) {
         sceneByKey.forEach { (sceneKey, composableScene) ->
             scene(
diff --git a/packages/SystemUI/src/com/android/systemui/power/data/repository/PowerRepository.kt b/packages/SystemUI/src/com/android/systemui/power/data/repository/PowerRepository.kt
index 69cb611..b2a8719 100644
--- a/packages/SystemUI/src/com/android/systemui/power/data/repository/PowerRepository.kt
+++ b/packages/SystemUI/src/com/android/systemui/power/data/repository/PowerRepository.kt
@@ -39,6 +39,9 @@
 
     /** Wakes up the device. */
     fun wakeUp(why: String, @PowerManager.WakeReason wakeReason: Int)
+
+    /** Notifies the power repository that a user touch happened. */
+    fun userTouch()
 }
 
 @SysUISingleton
@@ -83,6 +86,14 @@
         )
     }
 
+    override fun userTouch() {
+        manager.userActivity(
+            systemClock.uptimeMillis(),
+            PowerManager.USER_ACTIVITY_EVENT_TOUCH,
+            /* flags= */ 0,
+        )
+    }
+
     companion object {
         private const val TAG = "PowerRepository"
     }
diff --git a/packages/SystemUI/src/com/android/systemui/scene/domain/interactor/SceneInteractor.kt b/packages/SystemUI/src/com/android/systemui/scene/domain/interactor/SceneInteractor.kt
index a7434c6..342c218 100644
--- a/packages/SystemUI/src/com/android/systemui/scene/domain/interactor/SceneInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/scene/domain/interactor/SceneInteractor.kt
@@ -18,6 +18,7 @@
 
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.dagger.qualifiers.Application
+import com.android.systemui.power.data.repository.PowerRepository
 import com.android.systemui.scene.data.repository.SceneContainerRepository
 import com.android.systemui.scene.shared.logger.SceneLogger
 import com.android.systemui.scene.shared.model.ObservableTransitionState
@@ -44,6 +45,7 @@
 constructor(
     @Application applicationScope: CoroutineScope,
     private val repository: SceneContainerRepository,
+    private val powerRepository: PowerRepository,
     private val logger: SceneLogger,
 ) {
 
@@ -153,6 +155,11 @@
         repository.setTransitionState(transitionState)
     }
 
+    /** Handles a user input event. */
+    fun onUserInput() {
+        powerRepository.userTouch()
+    }
+
     /**
      * Notifies that the UI has transitioned sufficiently to the given scene.
      *
diff --git a/packages/SystemUI/src/com/android/systemui/scene/ui/viewmodel/SceneContainerViewModel.kt b/packages/SystemUI/src/com/android/systemui/scene/ui/viewmodel/SceneContainerViewModel.kt
index 5c16fb5..c5b605a 100644
--- a/packages/SystemUI/src/com/android/systemui/scene/ui/viewmodel/SceneContainerViewModel.kt
+++ b/packages/SystemUI/src/com/android/systemui/scene/ui/viewmodel/SceneContainerViewModel.kt
@@ -63,6 +63,11 @@
         interactor.setTransitionState(transitionState)
     }
 
+    /** Handles an event representing user input. */
+    fun onUserInput() {
+        interactor.onUserInput()
+    }
+
     companion object {
         private const val SCENE_TRANSITION_LOGGING_REASON = "user input"
     }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/power/data/repository/PowerRepositoryImplTest.kt b/packages/SystemUI/tests/src/com/android/systemui/power/data/repository/PowerRepositoryImplTest.kt
index a01394f..f566efe6 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/power/data/repository/PowerRepositoryImplTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/power/data/repository/PowerRepositoryImplTest.kt
@@ -193,6 +193,23 @@
         assertThat(reasonCaptor.value).contains(context.applicationContext.packageName)
     }
 
+    @Test
+    fun userActivity_notifiesPowerManager() {
+        systemClock.setUptimeMillis(345000)
+
+        underTest.userTouch()
+
+        val flagsCaptor = argumentCaptor<Int>()
+        verify(manager)
+            .userActivity(
+                eq(345000L),
+                eq(PowerManager.USER_ACTIVITY_EVENT_TOUCH),
+                capture(flagsCaptor)
+            )
+        assertThat(flagsCaptor.value).isNotEqualTo(PowerManager.USER_ACTIVITY_FLAG_NO_CHANGE_LIGHTS)
+        assertThat(flagsCaptor.value).isNotEqualTo(PowerManager.USER_ACTIVITY_FLAG_INDIRECT)
+    }
+
     private fun verifyRegistered() {
         // We must verify with all arguments, even those that are optional because they have default
         // values because Mockito is forcing us to. Once we can use mockito-kotlin, we should be
diff --git a/packages/SystemUI/tests/src/com/android/systemui/scene/SceneFrameworkIntegrationTest.kt b/packages/SystemUI/tests/src/com/android/systemui/scene/SceneFrameworkIntegrationTest.kt
index 46cbfac..0ecbcde 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/scene/SceneFrameworkIntegrationTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/scene/SceneFrameworkIntegrationTest.kt
@@ -127,7 +127,7 @@
             bouncerInteractor = bouncerInteractor,
         )
 
-    private val keyguardRepository = utils.keyguardRepository()
+    private val keyguardRepository = utils.keyguardRepository
     private val keyguardInteractor =
         utils.keyguardInteractor(
             repository = keyguardRepository,
diff --git a/packages/SystemUI/tests/src/com/android/systemui/scene/domain/interactor/SceneInteractorTest.kt b/packages/SystemUI/tests/src/com/android/systemui/scene/domain/interactor/SceneInteractorTest.kt
index 713c602..8620f61 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/scene/domain/interactor/SceneInteractorTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/scene/domain/interactor/SceneInteractorTest.kt
@@ -147,4 +147,11 @@
             underTest.setVisible(true, "reason")
             assertThat(isVisible).isTrue()
         }
+
+    @Test
+    fun userInput() =
+        testScope.runTest {
+            underTest.onUserInput()
+            assertThat(utils.powerRepository.userTouchRegistered).isTrue()
+        }
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/scene/domain/startable/SceneContainerStartableTest.kt b/packages/SystemUI/tests/src/com/android/systemui/scene/domain/startable/SceneContainerStartableTest.kt
index 951cadd..d60d994 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/scene/domain/startable/SceneContainerStartableTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/scene/domain/startable/SceneContainerStartableTest.kt
@@ -61,7 +61,7 @@
         utils.authenticationInteractor(
             repository = authenticationRepository,
         )
-    private val keyguardRepository = utils.keyguardRepository()
+    private val keyguardRepository = utils.keyguardRepository
     private val keyguardInteractor =
         utils.keyguardInteractor(
             repository = keyguardRepository,
diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/power/data/repository/FakePowerRepository.kt b/packages/SystemUI/tests/utils/src/com/android/systemui/power/data/repository/FakePowerRepository.kt
index 3334f3e..b92d946 100644
--- a/packages/SystemUI/tests/utils/src/com/android/systemui/power/data/repository/FakePowerRepository.kt
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/power/data/repository/FakePowerRepository.kt
@@ -32,6 +32,8 @@
     var lastWakeWhy: String? = null
     var lastWakeReason: Int? = null
 
+    var userTouchRegistered = false
+
     fun setInteractive(value: Boolean) {
         _isInteractive.value = value
     }
@@ -40,4 +42,8 @@
         lastWakeWhy = why
         lastWakeReason = wakeReason
     }
+
+    override fun userTouch() {
+        userTouchRegistered = true
+    }
 }
diff --git a/packages/SystemUI/tests/utils/src/com/android/systemui/scene/SceneTestUtils.kt b/packages/SystemUI/tests/utils/src/com/android/systemui/scene/SceneTestUtils.kt
index 6b40f8e..4f33a97 100644
--- a/packages/SystemUI/tests/utils/src/com/android/systemui/scene/SceneTestUtils.kt
+++ b/packages/SystemUI/tests/utils/src/com/android/systemui/scene/SceneTestUtils.kt
@@ -37,6 +37,7 @@
 import com.android.systemui.keyguard.shared.model.WakeSleepReason
 import com.android.systemui.keyguard.shared.model.WakefulnessModel
 import com.android.systemui.keyguard.shared.model.WakefulnessState
+import com.android.systemui.power.data.repository.FakePowerRepository
 import com.android.systemui.scene.data.repository.SceneContainerRepository
 import com.android.systemui.scene.domain.interactor.SceneInteractor
 import com.android.systemui.scene.shared.model.SceneContainerConfig
@@ -93,6 +94,8 @@
         }
     }
 
+    val powerRepository: FakePowerRepository by lazy { FakePowerRepository() }
+
     private val context = test.context
 
     fun fakeSceneContainerRepository(
@@ -126,6 +129,7 @@
         return SceneInteractor(
             applicationScope = applicationScope(),
             repository = repository,
+            powerRepository = powerRepository,
             logger = mock(),
         )
     }
@@ -149,10 +153,6 @@
         )
     }
 
-    fun keyguardRepository(): FakeKeyguardRepository {
-        return keyguardRepository
-    }
-
     fun keyguardInteractor(repository: KeyguardRepository): KeyguardInteractor {
         return KeyguardInteractor(
             repository = repository,