Sleeping with uncomfortable legs, cold, excessive exercise, recent nutritional deficiencies and recent rapid growth of adolescents, as well as osteoporosis and even calcium deficiency in the elderly can lead to discomfort and pain in the lower limbs when sleeping. Therefore, on the one hand, before going to bed, it is recommended to close the doors and windows to avoid the situation of the wind, in addition, it is recommended to turn off the air conditioning before going to bed, which is also likely to lead to pain and discomfort in the lower limbs during sleep. In addition, it is possible to perform appropriate lower limb massage and foot soak before bedtime when there is excessive exercise during the day, which also helps to promote the dissipation of lactic acid accumulation in the lower limbs and also helps to improve the discomfort in the calves and thighs during sleep. In addition, for the middle-aged and elderly people with lower limb pain and discomfort at night, and even cramps and other symptoms of calcium deficiency, it is recommended that appropriate food supplementation from calcium-rich food, as well as if necessary, can be suspended bottles of calcium gluconate, can be to a certain extent to relieve the pain and discomfort of the lower limbs, and even cramps.