Ответ:
This is an argument: We need sleep because our body uses the time to recover and to repair damage.
These are facts:
1) When we fall asleep, our heart and breathing
rates slow down, muscles relax and our senses rest.
2) Lack of sleep means that the body and brain do not work properly.
These are reasons:
1) If you do not go to bed at a reasonable time, you will be sleepy in class and not learn so much.
2) You will lack energy, and even playing becomes too much of an effort.