In case you thought you were getting enough sleep by skimping and only getting 6-ish hours of sleep a night, think again. Recent results from a two week sleep study show that there are many problems displayed by subjects who were deprived, and that these were worse than the subjects themselves were even aware of.
For years I skimped on my sleep, but in the past year or so (since my MS diagnosis) I have made a real effort to get enough sleep (i.e., more than 7 hours a night). So far it has gone pretty well and I feel good. This study makes me think I had better keep at it.