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Dr. Matt Walker: The Science & Practice of Perfecting Your Sleep
Huberman Lab
Why Do Men Have Erections During Ram Sleep?
The autonomic nervous system controls many of the automatic behaviours. Men have erections during ram sleep and women have vaginal lubrication during sleep. Youare totally paralyzed, but you are still paralyzed. There are only a two voluntary two voluntary muscle groups that are spurred from the paralysis. The extra ocular muscles because if they were paralyzed, you wouldn't be able to have rapid eye movements. And we've got no good understanding as to why those two muscle groups are spurred from the paralyzation.
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