fatigue!
It could be stress over work, you sleep to long, or it could be a sleep disorder but there are many things.
over night
over night
Seriously.
eating habits- not eating enough, or over eating stress not enough sleep pregnancy hormonal changes
Dinosaur Train - 2009 Long Claws Tank's Sleep Over was released on: USA: 28 June 2010
Hibernation is the long sleep animals have over the cold winter months.
You do not physically grow during the night. Growth primarily occurs during sleep when the body repairs and regenerates tissues, but it is a gradual process that happens over time, not just during the night.
Over time your bones will become fragile.
Sleep debt is the difference between the amount of sleep that you should get compared the amount of sleep that you actually get. Over time, the lack of sleep can cause serious health problems.
Over enough to go on with your life and be happy again? Yes. But it can take a long, long time.
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.