During sleep, the body grows and repairs itself. So without sufficient sleep, the body is more susceptible to sickness.
The body repairs itself while a person sleeps.
Ok. I'll take a stab at this question. A body grows, and repairs itself during sleep. So a full nights sleep (7-8 hours is the accepted norm) is required for a body to become 'rejuvenated'.
During rest periods and sleep (when the body repairs itself)after exercise when the muscle fibres are broken down through increased intensity.
The body repairs any & all damaged cells, tissues, etc; cleans up the body, etc.
The body repairs any & all damaged cells, tissues, etc; cleans up the body, etc.
Your body would eventually shut itself down, so you'd pass out and you'd sleep for a while till your body finished it repairs. If you were to prevent sleep though, you'd die.
I dunno, maybe sleeping which is when your muscles and body relax and repairs and replaces body tissue during sleep, that's all I know!
Nothing !... Dreams are simply random images created by the brain while the body repairs itself during sleep. Science has proven we have hundreds of dreams each time we sleep - we only remember the last one, because we're starting to wake up out of deep REM sleep.
It doesn't get you fully better but it helps a TON because your body repairs itself when you sleep. It also helps to drink plenty of water and fruits and vegatables.
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.
Sleep allows the body to repair itself and is important for immune function. Growth only occurs during sleep as well. And as the person works all day, the body will naturally need to rest after the day.