Why do some people feel tired when they wake up even after they have got enough sleep?

Answer Your body goes through sleep cycles, and if you wake up during the stages of deep sleep, you may feel groggy because your body wasn't "ready" to wake up - as opposed to waking up during REM sleep, ... Read More »

Top Q&A For: Why do some people feel tired when they wake up...

Do people really lose blood when they don't sleep?

NO. It is science-y stuff, but if you aren't sleeping much you could eventually get worn down and they stress could take a toll on your body. This would take a long time.Also, when do you wake up? ... Read More »

Is it normal to twitch and have 'crawling skin' at night when you are trying to sleep at 32 weeks pregnant?

I'm not sure what you mean by "crawling skin" but you do itch like crazy. It is caused by the skin streaching and the added blood flow in the body.

What happens to people without eye during REM sleep Do they not experience it?

Wow, great question! I have no idea, now you made me wonder about that!

Why are they still making cigarettes when they know its killing people?

people are addicted and bad people know they can make money and manipulate the helpless