Seasonal Affective Disorder Guide
Seasonal affective disorder (SAD) is a type of depression tied to seasonal changes, most commonly worsening in fall and winter.
Common symptoms
Low energy, oversleeping, carbohydrate cravings, and low mood that follows a seasonal pattern.
Light therapy
A commonly used, evidence-supported treatment involving daily exposure to a specialized bright light box.
Other management strategies
Regular outdoor time, maintaining social connections, and sometimes medication can all support managing SAD.
Key takeawaySeasonal affective disorder follows a predictable seasonal pattern, with light therapy as a well-supported, accessible treatment option.
Helpful next steps
Light therapy lamp
Support for seasonal affective disorder.
This content is for general educational purposes only. PHQ-9 is a validated screening tool, not a diagnosis. If you are having thoughts of self-harm, please call or text 988 (Suicide & Crisis Lifeline) immediately.