Why In Winter It Feels Like You’re Running On Empty (M)

Sleep adapts to the seasons and human physiology is ‘down-regulated’ in the winter.

Sleep adapts to the seasons and human physiology is 'down-regulated' in the winter.

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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.