However busy our day and work schedule may be, we end the day in sweet comfort of a deep sleep. Sleeping is very important for good health. Lack of sleep can cause many types of health problems and diseases. Many people have the problem of sleeplessness. We should try to get good sleep everyday. It helps in refreshing the mind and relaxing the body. All the tiredness goes away when we sleep well. Many people try to delay sleeping due to their work or late night parties. You should avoid doing this. Staying awake at night is not good for you. We will tell you about some sleep facts. Following are 10 surprising facts about sleep.