3 ms·
And only a few hundred years ago jaw size supposedly started shrinking leading to increased sleep disordered breathing, at least that's what some researchers cl
by James_Henry 6y ago
And only a few hundred years ago jaw size supposedly started shrinking leading to increased sleep disordered breathing, at least that's what some researchers claim.
Also, hunter-gatherer societies may get less sleep than the recommended. https://www.theatlantic.com/science/archive/2015/10/the-many-myths-of-paleo-sleeping/410707/ https://www.theatlantic.com/science/archive/2015/10/the-many...
And the San and Tsimane may not have a word for insomnia because they have bigger airways?
- bradlys 6y agoI think jaw size is probably related to the foods we eat. (Less reason to develop a strong jaw if you aren’t eating tough stuff) At least, that’s what I read on HN some months back. It’s why our teeth need more alignment too. Not enough space.
- James_Henry 6y agoIt's also related to how long breastfeeding is continued and to whether you have allergies (or other reasons to start mouth breathing).