If you’re like us, your iPhone has replaced that old digital alarm clock by your bedside. But one way that the iPhone doesn’t match up is the ease of thwacking a big Off button to stop the annoying wake-up noise. Happily, you don’t have to open your eyes and find the Stop button to silence the alarm—instead, just reach out and press the Home button.
iBooks in iOS has a built-in sleep timer that can automatically pause playback after a specified amount of time, which is great for listening to an audiobook as you go to sleep (tap the Moon button below the volume slider). What if you prefer listening to content that’s not in iBooks, like music or a college lecture? To set a sleep timer that works for Music, iTunes U, or any other app that plays audio, open the Clock app and tap the Timer button. Next, tap When Timer Ends (iPhone) or the selected sound (iPad), scroll to the end of the list of sounds, and select Stop Playing. When you’re ready to listen as you drift off to sleep, start the timer just before or right after you press Play in your audio app.
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