In the extreme case the men should sleep in loose shorts. Sleep naked useful for thermoregulation of the human body. During sleep the body temperature falls, and the clothes can create a barrier to heat exchange. As a result, sleep will become much more difficult, writes The Telegraph.
Sleep in the Nude, the researchers found, activates the production of cortisol in small doses. Cortisol is a stress hormone that promotes formation of insulin in the blood. By linking all factors, the researchers found that sleep without clothing reduces the risk of obesity and other metabolic disorders.
According to another theory, the rejection of pajamas slightly, but slows down the process of aging. Still sleep in the Nude improves the quality of family relationships through close contact with the skin of a loved one and the release of oxytocin, the hormone of love.