Periodic leg movements during sleep

Periodic leg movement during sleep is a rigid flexion exercise, which is a repetitive contraction of lower limb muscles during sleep. It is more common in the elderly and is also known as nocturnal muscle twinning. Hundreds of times per night, about 2 seconds each time, often awaken patients. Is one of the clinical features of restless legs syndrome. Restless legs syndrome (RLS) is also called restless legs syndrome or restless legs syndrome. RLS can occur in all age groups, but it is more common in adults over 40 years of age. Symptoms mainly occur in both lower limbs, but can also affect the thighs and feet, which can be heavy on one side or limited to one lower limb, but the upper limbs and hands are rarely affected. A variety of painful sensations such as deep acid in the affected limb, burning numbness, worm-like crawling, and pruritus are the main symptoms of episodic disease. Symptoms occur at rest and do not appear during work, labor or exercise during the day.