Every day is filled with various activities, the physical and a mental state of the body is working all the time to complete the particular work of life. It has been said that our body and brain needs some state of rest to restore the energy. There are also many types of processes that happen during the normal sleep. Even there are many stages of sleep pattern in human. Good health of the body can be made by the normal sleep methods. Adults are just advised to maintain the normal eight hours of sleep. There are also some other factors that determine the sleep in human. General performance of the human body is really depends on the suitable amount of sleep periods.