An important ingredient to any life style but maybe a bit more important to the individual that has a life full of activity.
You should have at least 7-8 hours of uninterrupted sleep each night. The consequences for ignoring this advice will surprise you.
Something that you might not have thought of is you ability to heal. This function is greatly accelerated with ample amounts of rest. Another thing is muscle repair if you have a sprain the doctors will tell you to stay off of it well the reasons are for rest nothing really can heal like rest.
Remember this when you have a headache even though it is probably brought on by caffeine or refined sugar. You can almost always make it better by sleeping.
If you can workout and have a good rest afterwards you will put less stress on the body and eventually have more energy in return. Chronic fatiuge is what happens when people go and go without any regard for their bodies.
Remember this 1 hour after midnight is like 4 hours before midnight.
Just something to think about. Happy sleeping!