Summer Heat Can Also Cause SAD as Experts Warn Heat, Insomnia, and Allergies Can Fuel Depression

Summer-pattern seasonal affective disorder may be less recognized than its winter counterpart, but mental health experts say some people experience recurring depressive symptoms during the warmer months, when longer days and higher temperatures can coincide with sleep disruption and other stressors.

Seasonal affective disorder (SAD) is a type of depression linked to changes in seasons.