Does this sound familiar?
You leave work and it's already pitch dark outside, and something in your chest just sinks. Back in summer you loved evening plans, but lately all you want is the couch, a blanket, and something sweet. If you keep catching yourself thinking "What's wrong with me?" for no clear reason, the season might be quietly affecting your mood.
What's actually going on
As autumn deepens, daylight shrinks noticeably. Your body uses light to set its daily rhythm, known as the circadian rhythm, and when morning sunlight fades, that internal clock can drift a little.
- Melatonin: the hormone your body releases in the dark to help you sleep. Longer dark hours can leave you feeling sluggish and drowsy even during the day.
- Serotonin: a brain chemical involved in keeping mood steady, which is known to be linked to how much sunlight you get.
- Less activity: when it's cold and dark, you go out less, and when you move less, your mood tends to dip along with it.
Put together, these changes can show up as low motivation, sleeping more, and craving carbs. A mild seasonal slump, often called the "winter blues," is something a lot of people experience. But if it comes back around the same time every year and seriously disrupts your life, it may be what's known as Seasonal Affective Disorder (SAD). Either way, it's not a sign of weak willpower. It's your body responding naturally to a change in light.
What you can try starting today
1. Get morning light first
Open the curtains as soon as you wake up, and if you can, spend 15 to 30 minutes outside before noon. Even on an overcast day, outdoor light is far brighter than indoor lighting. Getting off the bus a stop early and walking the rest of the way works too. Simply moving your desk closer to a window can also make a real difference.
2. Keep your sleep and wake times steady
When the sun rises later, sleeping in is tempting, but keeping a similar wake-up time on weekends helps your body clock stay on track. In the evening, dim the lights a bit and try putting your phone down about 30 minutes before bed.
3. Move your body, even a little
It doesn't have to be a serious workout. A 10-minute walk at lunch, taking the stairs, or some stretching in the evening can add up and help lift your mood. If you can move while the sun is out, you get light and exercise in one go.
4. Put small pleasures on your calendar
When your mood dips, it's easy to cancel plans and hide away. Pencil in things you can look forward to, like your favorite coffee shop, a quick call with a friend, or a cozy cup of tea, so there's a small bright spot in your day even when motivation is low.
5. Keep a simple mood log
Jot down one line a day about your mood, your sleep, and how long you spent outside. After a few weeks, you might notice patterns like "I felt a bit better on days I got some sun," which shows you what's worth doing more of.
When to reach out for help
If your low mood lasts more than two weeks, or it's getting hard to keep up with work, school, or daily life, you don't have to push through alone. If you're sleeping far more or less than usual, nothing feels enjoyable anymore, or you're having thoughts of hurting yourself, please reach out to a doctor, a licensed mental health professional, or your local mental health services. If you're in immediate danger, call your local emergency number or a crisis line right away. Seasonal depression has well-known treatments, such as light therapy, and with professional support it can genuinely get better.
On days when your heart feels as heavy as the early dark, Mindy is always here to listen to your story.