Varicose elastic stockings should not be worn while sleeping, as they can easily cause compression of the lower limbs and create certain dangers when the venous return is not ideal, especially for the elderly who may be at greater risk and danger. Wearing varicose veins elastic stockings generally for 6-8 hours a day, especially during the daytime work, especially in standing or special working environment, can help to make the varicose veins return to the deep veins or blood circulation to reduce the pressure of varicose veins, which is very necessary and beneficial for the prevention and treatment of varicose veins in the lower limbs. In addition, you can elevate both lower limbs at night when you sleep, which is conducive to adequate venous reflux and reduces the severity of varicose veins.