Updated: Jun 18, 2021
Author: Belinda Lin
Editors: Tharindi Jayatilake
Artists: Susan Wu
Seasonal affective disorder (SAD) is a unique category of depression that occurs around the same time every year; it can consume all your energy, making you feel moody or depressed at times. Hallmark symptoms include feeling depressed all day, showing no interest in the activities you once loved, or experiencing drastic changes in diet or appetite. One of the most concerning symptoms of SAD is having frequent suicidal thoughts.
More SAD symptoms that appear in the fall and the winter include oversleeping, appetite changes, weight gain, or having no energy. Symptoms o