Insomnia is a sleep disorder characterized by difficulty falling or staying asleep. Symptoms include frequent waking up during the night, difficulty falling asleep, waking up too early, and feeling tired upon waking. Causes of insomnia include stress, depression, anxiety, medication side effects, and medical conditions. Treatment options include behavioral changes, such as sticking to a regular sleep schedule and avoiding caffeine and electronics before bed, as well as medications and therapy.
