sleep deprivation is one way to put it, which means being deprived of sleep (prevented from sleeping) in one way or another. Insomnia is the condition of not being able to sleep.
getting enough sleep
Yes, the dreaming cycle of sleep comes in the deepest part, so that means you're getting a full cycle, or a good night's sleep.
A nine year should be getting 9-12 hours of sleep.
Howler monkey usually sleep during after getting full.
u can not do any work so u have to sleep
A sedative is the drug that calms a patient down therefore easing agitation and permitting sleep.
sleep
It could be stress over work, you sleep to long, or it could be a sleep disorder but there are many things.
Tigers move by getting up and sleep and eat in the shades
The average person should be getting around 8 hours of sleep but teenager's sometime's need more. I would sudgest a steady 9 hours of sleep.
Well, if you don't get enough sleep, bags can form under your eyes. Obviously. Getting enough sleep can help get over minor illness', also. Getting too much sleep can start shrinking your muscles and working organs. They will start disintegrating, because you're body is not getting the right nutrients. Too much sleep can harm your body, too.
you might think you are getting the right amount of sleep. It depends on what tip of mattress you sleep on.