It seems easy enough: You're tired, you lay down, put your head on a pillow and sleep. But for many, it's not that simple.
- Bill Clinton says his heart trouble may be linked to lack of sleep.
- Increase stress hormones and alters insulin production.
- Increase risk of diabetes and heart disease.
Sleep shortage takes its toll - NBC (video)
Typography
- Smaller Small Medium Big Bigger
- Default Helvetica Segoe Georgia Times
- Reading Mode