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The Wild Reasons Many Older People Wake Up So Early

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Published on Mar 21, 2020

You might think your grandma who wakes up at 4am just needs less sleep than younger people. Not so! Studies suggest there are some bizarre reasons older people rise at the crack of dawn, including something called brain sand!

Hosted by: Hank Green

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Sources:
https://www.nia.nih.gov/health/good-n...
https://academic.oup.com/sleep/articl...
https://medlineplus.gov/ency/article/...
https://www.ncbi.nlm.nih.gov/pmc/arti...
https://www.sciencealert.com/your-bod...
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https://www.quantamagazine.org/how-th...
https://www.livescience.com/13666-old...
https://www.nature.com/articles/497S2...
https://www.sciencealert.com/your-bod...
https://www.livescience.com/13666-old...
https://www.ncbi.nlm.nih.gov/pmc/arti...
https://www.huffpost.com/entry/elderl...
https://www.ncbi.nlm.nih.gov/pmc/arti...
https://pdfs.semanticscholar.org/b53f...
https://www.ncbi.nlm.nih.gov/pmc/arti...
https://www.nytimes.com/2017/07/13/sc...
https://www.ncbi.nlm.nih.gov/pmc/arti...
https://www.ncbi.nlm.nih.gov/pmc/arti...
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https://www.ncbi.nlm.nih.gov/pmc/arti...

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