For those with seasonal affective disorder (SAD), the changing of the seasons can bring significant shifts in their mood, sleep, and energy levels. Rather than a standalone diagnosis, SAD is ...

But if these feelings are more intense, linger for longer than two weeks or persist year after year, they might be seasonal ...

Will the pandemic make Seasonal Affective Disorder worse? The depression millions suffer when the days grow short could be compounded as COVID-19 cases soar and lockdowns return, says this ...