Men sleeping naked has the benefits of improving sleep quality, preventing urinary and reproductive system infections, preventing sexual dysfunction, accelerating metabolism, while paying attention to choose comfortable, breathable sheets, bedding, and sheets, bedding should be replaced in a timely manner, washed on time. 1, improve sleep quality: men sleeping naked not only helps the blood circulation in the body, so that people get relaxed and effectively relieve anxiety and other bad mood. And can make the skin better sense of the outside temperature, through the outside temperature to adjust their own temperature to achieve the effect of improving sleep quality; 2, to prevent urinary and reproductive system infections: for men who sweat more, sweating and other phenomena may occur during sleep. If men wear underwear and other clothing to sleep, may be absorbed by human sweat, wet underwear may make men urinary and reproductive system infections; 3, to prevent sexual dysfunction: If men wear clothing tighter when sleeping, may raise the temperature of the scrotum, reducing sperm quality. Tighter clothing may also rub with men’s genitals, so that erectile function is weakened, seminal emission, etc., causing sexual dysfunction; 4, accelerate metabolism: naked sleep, the skin can be in full contact with the air, conducive to the skin surface blood flow relief, accelerate metabolism, etc., but also conducive to sebaceous glands, sweat gland secretion, can reduce fatigue. Although the benefits of men sleeping naked more, but there are some disadvantages of sleeping naked, bed sheets, covers and pillowcases must be kept clean, such as improper cleaning due to local environmental health, may cause skin discomfort.