Sore legs before going to bed may be related to excessive activity, lumbar disc herniation, knee joint lesions and other reasons. Too much activity during the day, such as running and climbing and other strenuous exercise or heavy physical labor, leg muscles are too fatigue, before going to bed will feel leg soreness and pain, heavy and weak and other symptoms, usually can be relieved after rest. Lumbar disc herniation, spinal stenosis will compress the nerve root, after repeated stimulation, will also feel soreness, numbness and other symptoms before bedtime. Knee joint lesions, such as osteoarthritis, rheumatism, rheumatoid arthritis, after a day of activity before going to bed will also appear in the leg soreness and pain and other symptoms of discomfort. If leg soreness occurs before bedtime, patients are advised to go to the hospital and receive regular treatment.