Hyperthyroidism may affect sleep. Hyperthyroidism is an endocrine disease in which the thyroid gland synthesizes and releases too much thyroid hormone, causing increased excitability of the body’s sympathetic nervous system and hypermetabolism. Hyperthyroidism is mainly characterized by sympathetic nervous system excitability and hypermetabolism of the body, which may be manifested as inattentiveness, easy agitation, irritability, and may be accompanied by anxiety, difficulty in falling asleep and insomnia. In addition, it may be accompanied by symptoms such as fear of heat, excessive sweating, panic, shaking hands, diarrhea and weight loss. Patients with hyperthyroidism are advised to go to the hospital in time and be treated under the guidance of the doctor to avoid delays.