Hypnos is a sleep-timer app for iTunes on Mac OS X. Before the Mac App Store it was called iTunesShut. With Hypnos you can automatically shut down, sleep, restart etc. your mac after a predetermined amount of tracks or period of time played in iTunes. Click on the Mac App Store badge below to read the whole description and download Hypnos from the Mac App Store for only $1.99.
Compatible with Mac OS X Lion and Mountain Lion.