3 Things You Need to Know About Sleep

Why Older People Are More Gullible (Brain Rules for Aging Well by John Medina)

Watch John Medina share three surprises in sleep research, as discussed in the new book, Brain Rules for Aging Well.

Here’s the bottom line: you need to get between six and eight hours of sleep every night, no more and no less. If you get less than six hours, mortality risk rises 21 percent in women, 26 percent in men. If you get more than eight hours, mortality risk rises 17 percent in women, 24 percent for men. You have to have the “just right” amount of sleep to optimize both quality and quantity of life.

Learn more about the new book, Brain Rules for Aging Well.

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