SAD (Seasonal Affective Disorder) is a mood disorder which is characterized by a form of depression that occurs at the same time every year. Seasonal affective disorder occurs in climates where there is less sunlight at certain times of the year. There are over three million people who are affected with SAD. It is common during the winter months and goes away in the springtime.This is the time of year it is very challenging for many people. The holidays, the change in time and weather are factors to trigger depression. Certainly living in a pandemic will increase the number of people experiencing depression.