The Science of Sleep

The Science of Sleep, by developmental molecular biologist Dr. John Medina, gives you the facts-and the prescription to sleep well-in his signature engaging style. Adapted from Medina's Brain Rules for Aging Well:10 Principles for Staying Vital, Happy, and Sharp, in this chapter you'll learn how the sleep cycle is born of a constant tension between hormones and brain regions vying to keep you awake, and hormones and brain regions trying to make you go to sleep. This is called opponent-proce...