Tag: Sleep

Why do we sleep?

A new study has found the strongest evidence yet for the theory that sleep lets us whittle back new connections between nerve cells, making room for more memories. Read more:
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How to know if you’re sleep deprived

How to tell if you’re sleep deprived, even if it doesn’t feel like it. 1. You’re craving sugar and carbs Lack of sleep produces a hormone called ghrelin. Ghrelin makes …
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