SleepButton app for iPhone and iPad

Have you ever fallen asleep listening to an audio book or pod cast and wake up the next morning with no idea where you left off?

SleepButton compliments the existing functionality of the iPod/Music player on your iPhone/iPod by providing a Sleep Button. A configurable timer will automatically pause playback after a set period of time.

You have the ability to reset the timer by pressing the timer button or by the shake gesture. In addition you can turn on a warning sound, which will play just before the timer pauses the music.

SleepButton also provides a handy way of timing your workout.
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Instructions
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1) Queue your playlist in iTunes/Music Player
2) Press Play
3) Launch SleepButton
4) If desired change timer and other options by clicking on the gear in the lower right corner

You can pause/ff/rwd through your playlist from within SleepButton. If you need to go back to iTunes SleepButton will remember your timer position.