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Sleeping Upright: Pros and Cons of Sleeping Sitting Up Sleep.. Sleeping while standing is even more difficult for humans than sleeping sitting up due to the loss of muscle tone that occurs during REM.

Sleeping Upright: Pros and Cons of Sleeping Sitting Up Sleep.
Sleeping Upright: Pros and Cons of Sleeping Sitting Up Sleep. from external-preview.redd.it

Sleeping while standing is even more difficult for humans than sleeping sitting up due to the loss of muscle tone that occurs during REM sleep. However, this practice has been.