Why We Sleep
Matthew Walker, PhD
A foundational sleep-science read from Matthew Walker, PhD.
4.7/5 from 34,460 readersReader signal, captured Aug 23, 2026
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Why it’s here
A readable entry point to sleep science from a UC Berkeley neuroscientist and sleep-lab director.
Evidence note
Some specific claims have drawn academic criticism; keep the core sleep message separate from contested numbers or causal claims.
Details
- Author
- Matthew Walker, PhD
- Publisher
- Scribner
- Published
- Jun 19, 2018
- Pages
- 368
- Format
- Trade Paperback