It is essential sleep diet and lose weight as shown by various studies.
These studies show that sleep deprivation results in an increased appetite. Sleep deprivation lowers the levels of leptin (a hormone that reduces appetite) and increased those of ghrelin (an appetite stimulant released by the stomach). These changes increase the feeling of hunger and lead to increased body weight.
Sleep quality
As important as or more than the hours dedicated to sleep is the quality of sleep. The  lack of sleep often results in poor concentration, increased  susceptibility to disease, especially gastrointestinal problems like  bloating and poor digestion. Similarly, increases the chances of rapid weight gain despite eating poorly.
The importance of the nap
While there has been much talk about the importance of  the siesta, it remains difficult to reconcile with family life nap, work  and times to which we are subjected. The nap increases mental alertness and reflexes, the level of attention, sense of humor and even mood. It  has also been shown to reduce the chances of cardiovascular disease,  the probability of developing arteriosclerosis and relieving stress  (which may have a direct influence on our weight). Experts say that between twenty and thirty minutes is the ideal length of a nap
