No one knows the importance of sleep more than those that have gone without it. The new parents, the insomniacs, the worriers, and the work-a-holics. They understand.
When I started writing this blog I thought it would be easy to find research on the amazing healing properties of sleep. Turns out, it wasn't. The trouble with sleep is that there are so many varieties of it that it's actually quite difficult to isolate one type for investigation.