
The Future of Sleep: A Discussion with Derk-Jan Dijk
New Books in Neuroscience
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How Much Sleep Do You Need?
There is a lot of discussion about school star times, and shouldn't we start schools later? It's not easy for an adolescent to ged up before dawn to catch a school bus. By the time you are in your thirties, seven to eight hours is probably a healthy sleep duration. We've talked about adolescence. What's the story about middle age? Well, how much sleep do we need, and when are we an adult? Andby when do we need eight hours?
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