World’s largest sleep study shows too much sleep can be bad for your brain - Preliminary results have shown that people who sleep on average between 7 to 8 hours per night performed better cognitively than those who slept less, or more, than this amount (n>10,000).

World’s largest sleep study shows too much sleep can be bad for your brain - Preliminary results have shown that people who sleep on average between 7 to 8 hours per night performed better cognitively than those who slept less, or more, than this amount (n>10,000).: https://ift.tt/2C5bMnA Read more... https://ift.tt/2CC7Dsr