1 Sleeping naked can relieve pain. When sleeping naked, the body has great freedom, muscles can be effectively relaxed, and diseases and pains caused by stress during the day can also be effectively alleviated. People with shoulder and neck low back pain and menstrual pain may wish to try it. Sleeping naked can beautify the face without clothes isolation. Bare skin can absorb more nutrients, promote metabolism, strengthen the secretion of sebaceous glands and sweat glands, which is conducive to the excretion and regeneration of sebum, and the skin has a sense of permeability. 3 Naked sleep protects the genitals of women in private parts from being wet all the year round. If we can fully ventilate, we can reduce the possibility of suffering from gynecological diseases. Male naked sleep can also create a cool environment and avoid poor sperm motility caused by overheating. 4 Sleeping naked and enjoying peace without clothes, the body naturally relaxes and the blood flows smoothly, which can improve some people's cold hands and feet and help them enter deep sleep. Expert opinion: Health experts and physiologists at home and abroad have found through research that naked sleep can not only make the body stretch and comfortable, but also be beneficial to health. Experts believe that naked sleep has a kind of unrestrained free pleasure, which is beneficial to blood circulation and enhances the secretion of skin glands and sweat glands. Conducive to skin excretion and regeneration, regulating nerves, enhancing adaptability and immunity, eliminating fatigue and relaxing limbs. Sleeping naked not only makes you relaxed and comfortable, but also relieves gynecological diseases, such as low back pain and physiological menstrual pain of women with common colds. Naked sleep is very effective in treating nervous diseases, especially nervous system tension, which makes the blood circulation of internal organs and body surface very smooth. Modern urban women who always want to have health and beauty may wish to take off their underwear completely before going to bed and experience the transcendental feeling of "sleeping beauty".