Take your phone to bed with this app running and it'll use the accelerometer to track your sleep cycles, then trigger your morning alarm at an optimal time for easy wake-up. It also charts your sleep patterns.
WIRED Alarms fade in gradually. Wake-up tones include nature sounds like seagulls and rainstorms. Snooze abusers can shut off the alarm only after they've solved a math puzzle.
TIRED With the app running, the phone can get too hot to keep in bed with you.