AP PSYCHOLOGY

Detailed explanation-1: -Common causes of chronic insomnia include: Stress. Concerns about work, school, health, finances or family can keep your mind active at night, making it difficult to sleep. Stressful life events or trauma-such as the death or illness of a loved one, divorce, or a job loss-also may lead to insomnia.

Detailed explanation-2: -The diagnosis of insomnia requires three main components: persistent sleep difficulty, adequate sleep opportunity, and associated daytime dysfunction.

Detailed explanation-3: -The stress of chronic illness can also cause insomnia and daytime drowsiness. Common conditions often associated with sleep problems include heartburn, diabetes, cardiovascular disease, musculoskeletal disorders, kidney disease, mental health problems, neurological disorders, respiratory problems, and thyroid disease.

Detailed explanation-4: -Insomnia-being unable to fall asleep and stay asleep. This is the most common sleep disorder.