UC Berkeley scientists found the brain's "sleep switch" - here's why your first 3 hours matter most
- Posted on April 29, 2026
- By Bing News
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- 1 min read
UC Berkeley scientists found the brain's "sleep switch" - here's why your first 3 hours matter most
UC Berkeley just mapped the brain circuit behind your nightly growth hormone surge - here's why your first 3 hours of sleep matter.
