Dulness is ussualy your body telling you that you need to rest and take it easy.
Because we are at rest and our body does need so much energy to do.
it weighs about 10% more the n the rest of it's body
Your body takes what it needs and then the rest gets exhaled out and goes into the atmosphere.
It gets tired. your body goes to rest.
body. you sleep because you need to rest your muscles or because you have so little energy that your brain forces you into sleep to conserve what is left.
Your body doesn't get a chance to rest!
Children need rest for the same reasons as adults. Children may need more rest than an average adult as they are in general more active than an average adult (for example, at stay-at-home-mom).
a child needs up to 8 to 9 hours of rest
very much in the body.
They cover the rest of you body so the harmful waves don't go in your body everywhere there doesn't need to be. X-rays are harmful to your body and that's why they hid behind the wall.
Sleep.