I use Sleep Cycle for iPhone ($0.99) and it lets me choose the time I want to wake up, like an alarm clock. Works very well, been using it about 2 months now. H

I use Sleep Cycle for iPhone ($0.99) and it lets me choose the time I want to wake up, like an alarm clock. Works very well, been using it about 2 months now. Has nice preset alarm and ambient sounds as well.