9 Surprising Ways Sleep Shapes Your Personality, IQ, Brain & Mental Health (P)

Science is uncovering fascinating ways sleep—or the lack of it—shapes who we are and how we feel.

Sleep is vital for our physical and mental well-being, yet its profound influence on our daily lives can go unnoticed.

Beyond simply recharging our bodies, the way we sleep—and how much of it we get—can shape our personalities, intelligence and even long-term health.

Here are nine research-backed insights into how sleep affects who we are and how we feel.

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Author: Dr Jeremy Dean

Psychologist, Jeremy Dean, PhD is the founder and author of PsyBlog. He holds a doctorate in psychology from University College London and two other advanced degrees in psychology. He has been writing about scientific research on PsyBlog since 2004.