The 4 Sleep-Wake Patterns That Explain How Energy Levels Fluctuate (M)

Long-held beliefs about sleep-wake patterns challenged: around half of all people are neither ‘larks’ or ‘owls’.

Long-held beliefs about sleep-wake patterns challenged: around half of all people are neither 'larks' or 'owls'.

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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.