Social anxiety disorder, sometimes referred to as social phobia, is a type of disorder that causes extreme fear in social settings.

Symptoms and patterns. During a depressive episode, the person experiences depressed mood(feeling sad, irritable, empty) or a loss of pleasure.

Sleep disorders are conditions that affect the ability to sleep well regularly. Learn about sleep disorder symptoms, types, and treatment.

Anxiety is a feeling of fear, dread and uneasiness. It might cause you to sweat, feel restless and tense, and have a rapid heartbeat.