As daylight saving time ends this Sunday, many may feel a shift in their mood. It's common to experience feelings of sadness or the "winter blues" as days get shorter.
For some, these mood changes can be more serious and may indicate seasonal affective disorder (SAD). Symptoms typically begin in late fall or winter and improve in spring.
If you notice significant changes in your mood during this time, it’s important to learn more about SAD—its signs, diagnosis, causes, and treatment options.
Source: https://www.nimh.nih.gov/health/publications/seasonal-affective-disorder
