Sleep Cycle
I may have mentioned that I've been having trouble with sleep, ever since I stopped some medication. I'm trying out a really cool app for my new iPod Touch: Sleep Cycle. Place the iPod Touch (or iPhone) on your bed, and it measures your movements, calculating when you are in deep sleep versus REM sleep, and it'll wake you up at the lightest point of your sleep cycle so that you will feel the most refreshed. It needs five nights of data to start analyzing your sleep in depth, but just one night of use is impressive. Here is my sleep graph, showing that I woke up at 3:00 a.m.:
