Yes, I too find it interesting.   I average about 5 hours of sleep a night it seems

Do you track your sleep paterns? I've learned some pretty cool facts about my sleeping pattern in the past 2 months. Usually I stay at 98% sleep efficiency with average of 7 hours of sleep a night and very little activity during the night. 

There may be some information [here](http://www.fitbit.com/)


This woman I go to school with has one of these and she's obsessed with it! Where do I get one? Are they expensive?

[NSV] It's been a productive morning! Thanks FitBit for feeding me my geek stats