The Sleep Revolution

School-age children (6–13): 9–11 hours Teenagers (14–17): 8–10 hours Young adults (18–25): 7–9 hours Adults (26–64): 7–9 hours

Fragmented sleep changes how the immune system deals with cancer in ways that make the disease more aggressive.”

And that’s how Madam C. J. Walker’s Wonderful Hair Grower

Researchers found that lack of sleep in older adults increased the pace of brain-ventricle enlargement and decreased cognitive performance, the very markers of brain aging associated with the onset of Alzheimer’s.

We can all take steps in our own lives to accelerate this shift, but to really scale it requires change at the top. Boards of directors need to acknowledge that a CEO who’s bragging about getting only four hours of sleep a night is essentially saying that he or she is making decisions while drunk. They need to see that that’s not something to be ap

I’ve come to see it as a great lesson for living life as if—as the poet Rumi put it—everything is rigged in our favor.

“Sleep is so important from the health standpoint that there is perhaps no function which should be so conscientiously exercised.” One effect of the ensuing court battles over the legislation was a pushback against this new idea of human beings—and their sleep—as a product to be monetized as exhaustively as possible.

“Sleep is such a powerful source of resilience….We need to begin grouping sleep with all the other things we do to make patients better.”

This isn’t news to the New England Patriots’ quarterback Tom Brady, who managed to beat the Seahawks in the last Super Bowl—and win the MVP title. Brady goes to bed at 8:30 p.m. and is still managing to play at the highest level even as he approaches forty. “The decisions that I make always center around performance enhancement,” he says. “I want t