1
vote
1answer
127 views

What is the difference between rest and sleep? Can inactivity replace sleep?

I've just been reading about the importance of rest days and why sleep is important. According to Lego Stormtroopr, sleep is something you can't work around. I work at a desk in an office all day. ...
3
votes
4answers
35k views

What can cause severe muscle fatigue and even pain at wake-up? [closed]

When I wake-up (i.e. hear the alarm clock and open my eyes) I experience severe muscle fatigue, that I am hardly able to force myself to move my arms and legs to get-up. I feel like my muscles were ...