Interesting, but sadly most of us cannot afford to get on the free running sleep schedule this article advocates. However, I really agree with the practice of

Interesting, but sadly most of us cannot afford to get on the free running sleep schedule this article advocates. However, I really agree with the practice of not trying to go to sleep until you know you'll be able to knock out within a few minutes. Either way, you're not going to be getting your "scheduled" sleep so might as well spend the time on something other than lying around agonizing about it. And, the right kind of relaxing activity actually helps me get to sleep sooner than I otherwise would have.