Sleep: how long can you stay awake? and 15 other secrets about sleep

What is the longest time somebody did not sleep? What happens in the brain when we sleep? Why do you sleep at night and not during the day? Do insects sleep? How do astronauts sleep in space? Susanne van Doorn selected 15 funny and useful facts on sleep for Mindfunda that you probably did not know yet: Sleep Fact […]

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