Ah, fall—cooler temperatures, vibrant leaves, and football. Unfortunately, the dreaded end to daylight saving time also arrives not long after we welcome fall, signaling shorter days and dark drives home from work. For many of us, the transition to fall is often a pleasant change of pace from a long, hot summer. However, for some people, the beginning of falland the inevitable time changeprompts the onset of a type of depression known as seasonal affective disorder (SAD).