SAD is a type of depression that generally occurs with the onset of winter.
Typical indications:
unhappiness or irritability, social withdraw, sluggish movements, lack of interest in work or activities, less energy or ability to concentrate, increased sleep, increased eating, hopelessness.
Treatment can include:
get enough restorative sleep, have good sleep habits, eat a healthy diet, watch for early warning signs, develop a coping plan, take medications, see a doctor, contact a therapist.
Avoid alcohol and drugs.
Consider light therapy.