As the days get shorter and temperatures drop, it’s normal to feel a bit off. But for some, this seasonal change brings more than just low energy and craving comfort food—it’s a type of depression called Seasonal Affective Disorder, or SAD. This condition hits hard in fall and winter, affecting mood, energy, sleep, and overall quality of life.
Here’s a breakdown of what SAD is, why it happens, and how to manage it based on the latest research. We’ll look at five powerful approaches to combating SAD, from light therapy to lifestyle changes, so you can start feeling better during the darker months.
What is Seasonal Affective Disorder (SAD)?
Seasonal Affective Disorder is a form of depression that tends to strike during colder, darker months. It’s thought to affect up to 10% of people in northern areas, and it’s more common among women. The main symptoms are:
Low mood that lingers
Losing interest in things you usually enjoy
Fatigue and low energy levels
Trouble concentrating
Increased appetite, often for carbs
Sleeping more than usual
Why does SAD hit during fall and winter? Reduced sunlight can disrupt your body’s natural rhythms and mess with serotonin and melatonin levels, which are key to regulating mood and sleep.
Effective Strategies for Managing SAD
SAD symptoms can be intense, but there are ways to manage them. Here are five proven strategies that can help:
1. Light Therapy: Brightening Your Mornings
One of the most effective treatments for SAD is light therapy. It involves sitting near a light box that emits bright light (around 10,000 lux) for 30 minutes each morning. This light mimics natural sunlight and helps keep your internal clock on track, which can significantly reduce SAD symptoms.
Research Insight: Studies show that people who use light therapy often feel better and have more energy. It’s especially helpful if the lack of sunlight hits you hard in winter.
If you’re considering light therapy, check in with a healthcare provider to get a high-quality light box and make sure it’s safe for you.
2. Vitamin D: The Sunshine Vitamin
Vitamin D comes from sunlight, so it makes sense that many of us have low levels in winter. Low vitamin D is linked to depression, including SAD, so taking a supplement can be a good step for managing symptoms.
Research Insight: Studies show people with SAD tend to have lower vitamin D levels. Supplementing can ease symptoms, especially if you’re already deficient.
Ask your doctor about checking your vitamin D levels and figuring out a good dose.
3. Cognitive Behavioral Therapy (CBT): Training Your Brain for Resilience
CBT is a type of talk therapy that helps you manage thoughts and behaviors. For SAD, CBT can focus on shifting negative thoughts about winter and creating strategies for managing low-mood days.
Research Insight: Studies comparing CBT and light therapy found that both are effective, but CBT’s benefits last longer, with fewer symptoms returning in the next winter. CBT helps you change how you approach winter, making it a great long-term solution.
If SAD symptoms keep coming back year after year, CBT could be worth looking into for more lasting results.
4. Exercise: A Natural Mood Booster
Physical activity is great for mental health all year, and it’s especially helpful for SAD. Exercise raises serotonin and endorphin levels, which lift your mood naturally. A brisk walk in the fresh air or a solid workout indoors can make a real difference.
Research Insight: Regular exercise during winter is linked to lower SAD symptoms. It boosts mood and counters fatigue and low energy, which are common with SAD.
Try to fit in 20–30 minutes of physical activity a few times a week. It doesn’t have to be intense; consistency is key!
5. Socializing and Staying Engaged
It’s tempting to hibernate when it’s cold and dark, but staying connected with friends, family, and your community can help. Social activities, whether it’s a quick virtual catch-up or meeting outdoors, can prevent the isolation that SAD often brings.
Research Insight: While not in these five studies specifically, social connection is a well-known mood booster. Spending time with others raises serotonin levels and helps you feel supported, which can be especially helpful in winter.
Final Thoughts: Finding What Works for You
If you’re dealing with SAD, remember you’re not alone, and there are effective options for managing it. Light therapy and vitamin D supplementation are solid starting points, while CBT, exercise, and social connection can help support your mental health in lasting ways. With a few strategies in place, you can create a plan that works best for your needs.
As always, consult a healthcare provider to discuss any symptoms and treatment options, especially if you’re trying light therapy, new supplements, or therapy for the first time. Taking action early in the season can make all the difference in staying steady through the winter months.