Your heart, your diaphragm to breath, maybe your tongue if you snore, if you turn in your sleep it could be any of your stomach, arm, or leg muscles.
yes all the time even right now as i type this answear muscles such as your heart, eye lids, and ab muscles work while you sleep
Your lung muscles that move even while in your sleep.
Yes
you use your leg muscles alot and your arm muscles. you use your leg muscles alot and your arm muscles.
you need more sleep, to build up You're muscles.
You use the muscles in your body.
Yes, its like the heart beat it's always beating because of the involuntary muscles When you sleep the involuntary muscles make you breath
when you sleep your facial muscles relax, so your mouth opens and saliva comes out. this is perfectly normal to do.
u use your upper leg muscles.
Its pretty obvious, and your brain think not your muscles and your brain tells your muscles what to do so no you don't use muscles to think.
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.
You imagine the heart muscles to be voluntary. So you will contract the muscles of atria. Then you will contract the muscles of ventricles. This you will do 70 to 80 times per minute. You can not sleep, as the process has to be continued, through out your life.
our nervous system is highly active, while our voluntary muscles hardly move.