What is seasonal affective disorder?

Depressed mood: Seasonal affective disorder is a type of depression that occurs in the winter, when there is less natural light. It is sometimes treated with light boxes.

SAD: Seasonal affective disorder (also called sad) is a type of depression that occurs at the same time every year. If you're like most people with seasonal affective disorder, your symptoms start in the fall and may continue into the winter months, sapping your energy and making you feel moody. Less often, seasonal affective disorder causes depression in the spring or early summer.

SAD: SAD is now referred to as Depressive Disorder with Seasonal Pattern in DSM 5. It is a subtype of depression. SAD symptoms occur with change in season (often fall and winter) & can include carbohydrate craving, increased appetite with weight gain, low energy level, irritability, moodiness, sleeping more, heavy feeling in extremities, being overly sensitive to rejection and it can impact relations