I’m not a medical professional. This blog is for informational and awareness purposes only, and not a substitute for professional diagnosis or treatment.
Shawna
As the days get shorter and the skies grow greyer, many people notice a shift in their mood. But for some, that seasonal slump turns into something more serious — a form of depression known as Seasonal Affective Disorder (SAD).
SAD is more than just “feeling a little off” in the winter. It’s a recurring form of major depressive disorder, most common during the fall and winter months when sunlight is limited. Thankfully, understanding the signs and knowing how to manage them can help reduce its impact.
What Is Seasonal Affective Disorder?
SAD is a mood disorder that follows a seasonal pattern. While most cases emerge in the colder, darker months (often called Winter-pattern SAD), some people experience Summer-pattern SAD, triggered by heat and humidity.
People with SAD often report feeling drained, unmotivated, and withdrawn. Unlike everyday winter blues, these symptoms last for weeks or months and can disrupt daily life.
How to Identify SAD
If you’re wondering whether you or someone you love might be dealing with SAD, look for these key signs:
- Persistent low mood or sadness most of the day, nearly every day
- Loss of interest or pleasure in activities once enjoyed
- Low energy and constant fatigue
- Increased sleep (hypersomnia)
- Overeating, especially cravings for carbs and sugar
- Difficulty concentrating
- Feelings of hopelessness or worthlessness
- Social withdrawal (“hibernation” mode)
Many of these symptoms overlap with other forms of depression, but what makes SAD unique is its seasonal timing and predictable recurrence each year.¹
⚠️ Please remember:
Depression is no joke. It can affect every part of your life — your sleep, appetite, relationships, and even your sense of self. If you’re feeling overwhelmed, hopeless, or stuck in a dark place, please seek professional help. You don’t have to go through it alone. Talk to your doctor, a licensed therapist, or a crisis line in your area.
Tips to Treat Seasonal Affective Disorder
Thankfully, there are several evidence-based strategies that can help ease the symptoms of SAD:
1. Bright Light Therapy (Phototherapy)
- Sit in front of a specially designed light box (10,000 lux) for 20–30 minutes daily, ideally in the morning.
- Mimics natural sunlight to help regulate circadian rhythms.²
2. Cognitive Behavioral Therapy (CBT-SAD)
- A talk therapy focused on shifting negative thinking patterns.
- Proven to help reduce relapse even when therapy ends.³
3. Medication
- Antidepressants like SSRIs (e.g., fluoxetine or sertraline) are commonly prescribed.
- Often started before symptoms begin and continued through the season.
4. Daily Outdoor Walks
- Even a short walk on a cloudy day offers more light exposure than staying indoors.
- Natural movement boosts endorphins and combats fatigue
5. Vitamin D Supplementation
- Some evidence links low vitamin D levels to depressive symptoms.
- Blood tests can help determine if supplementation is needed.
6. Keep a Routine
- Maintain a consistent sleep schedule, even on weekends.
- Include enjoyable activities and social interaction to reduce isolation.
7. Limit Alcohol and Screen Time
- Both can worsen mood and disrupt healthy sleep patterns.
Final Thoughts
SAD is real — and treatable. If the dark months weigh heavier on your heart than just a bad mood, don’t ignore the signs. Talk to a health professional, explore treatment options, and know you’re not alone.
The seasons may change, but with the right tools and support, your peace of mind doesn’t have to.
Footnotes
- ¹ Lam, R. W., & Levitt, A. J. (1999). Canadian Consensus Guidelines for the Treatment of Seasonal Affective Disorder. Journal of Psychiatry and Neuroscience, 24(2), 121–138.
- ² Wirz-Justice, A., Benedetti, F., & Terman, M. (2009). Chronotherapeutics for Affective Disorders: A Clinician’s Manual for Light and Wake Therapy. Basel: Karger.
- ³ Rohan, K. J., Roecklein, K. A., Tierney Lindsey, K., & Johnston, L. (2009). Cognitive-behavioral therapy, light therapy, and their combination in treating seasonal affective disorder. Journal of Affective Disorders, 113(1-2), 25–33.