Why when people fall a sleep sitting up do their heads bob?


2 Answers

Arthur Wright Profile
Arthur Wright answered
When asleep the body goes into sleep mode or total relaxation so the neck goes limber thus unable to hold the head up so the head just "bobs" around like it does, and the head tries to go to its natural position.
Maddie Profile
Maddie answered
Because when you sleep, your muscles relax and since you're sitting down already, your head is the first one to go and your neck relaxes. But just like your body twitches when you try to fall asleep at night sometimes, the neck tries to hold the head up again, giving you an alarmed feeling and appearing as "bobbing" the head.

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