why can you being exhausted/falling asleep standing up but as soon as you lay down you ‘lose your sleepy’ and are wide awake?

Question

(Xposted in nostupidquestions) seems like it happens to too many people to just be insomnia?

In: Biology

Answer 1

Third time trying to post this question because the modbot kicked my ass for saying “dog tired”, and saying “evolutionary leftover?” . Please i just want to know things, bot.