diff --git a/PlayerUI/Views/PUIPlayerView.swift b/PlayerUI/Views/PUIPlayerView.swift
index 09226c51..16fd4ba8 100644
--- a/PlayerUI/Views/PUIPlayerView.swift
+++ b/PlayerUI/Views/PUIPlayerView.swift
@@ -802,7 +802,14 @@ public final class PUIPlayerView: NSView {
         }
     }
     
+    fileprivate var activity: NSObjectProtocol?
+    
     @IBAction public func pause(_ sender: Any?) {
+        if let activity = self.activity {
+            ProcessInfo.processInfo.endActivity(activity)
+            self.activity = nil
+        }
+        
         if isPlayingExternally {
             currentExternalPlaybackProvider?.pause()
         } else {
@@ -811,6 +818,8 @@ public final class PUIPlayerView: NSView {
     }
     
     @IBAction public func play(_ sender: Any?) {
+        activity = ProcessInfo.processInfo.beginActivity(options: [.idleDisplaySleepDisabled, .idleSystemSleepDisabled, .userInitiated], reason: "Playing WWDC session video")
+        
         if isPlayingExternally {
             currentExternalPlaybackProvider?.play()
         } else {