It has been shown to be a vital element of heath, affecting the wellbeing of life of human people. We all know the value of sleeping well, and we’ve all experienced the feeling of being relaxed after a good night’s sleep, and the feeling of fatigue after a poor night’s sleep. But even though we know this, in our busy society, many of us are not getting the quality sleep needed to truly receive the health benefits of sleep. If we want to understand why sleep is so important, we must think that when we go to sleep our body star working to be sure that you are ready for next day. It does some tasks during our sleeping hours such as: healing damaged cells, boosting your immune system, recovering from the day’s activities and recharging your heart and cardiovascular system for the next day (Morselli, Lisa, 2010). We all live in a busy and excited society, and some time we just can sleep five or four hours because of our work or school, knowing that the right number of hours we need is between seven or nine hours per night. This can bring consequently that our body does not get a chance to properly recharge itself. Therefore, we might find ourselves feeling drowsy, irritable and sometime depressed. Also, it might be more difficult to take new information at work, remember thing, or make decisions about important things in our