👉 Insomnia is a sleep disorder that affects at least 25% of the population. It can be characterized by difficulty sleeping, frequent awakenings during the night, and difficulty falling asleep or staying asleep. Insomnia may also lead to daytime困倦 (sleepiness), irritability, and other symptoms such as headaches, fatigue, and weight gain. Treatment for insomnia often involves a combination of sleep hygiene measures, medication, and lifestyle changes.
insomnia