Disorders That Disrupt Sleep (Parasomnias) Topic Guide
Disorders That Disrupt Sleep (Parasomnias): Parasomnias are disruptive sleep-related disorders. They are characterized by undesirable physical or verbal behaviors or experiences. Parasomnias occur in association with sleep, specific stages of sleep (see Sleep: Understanding the ...
Seasonal Depression (SAD) Seasonal affective disorder (SAD) is a type of depression that is tied to seasons of the year. Symptoms include depressed mood, fatigue, feelings of worthlessness, and poor concentration. Treatment may incorporate bright-light therapy and antidepressants.