As the days grow shorter, many people notice changes in mood, energy and stress levels. Stress itself is not harmful; our bodies are designed to respond to challenges with hormones such as cortisol and adrenaline that help us react quickly. The problem is that in today’s hectic lives, these hormones can remain elevated for long periods, leaving us feeling drained and overwhelmed.
Stress and the Changing Season
Stress is a normal part of life, but the shift from long summer days to shorter fall days can add an extra layer of difficulty. Less daylight means less exposure to natural light, which can affect sleep and mood. Some individuals also experience seasonal affective disorder (SAD) or milder “winter blues,” with symptoms such as low energy, changes in appetite, or increased irritability.
While stress cannot be avoided completely, managing it is important for both mental and physical health. Chronic stress is linked with changes in blood glucose, blood pressure and weight regulation, making it a relevant factor for anyone working on long-term health goals.
The Role of Vitamin D
Vitamin D is often called the “sunshine vitamin” because sunlight triggers its production in the skin. During fall and winter, shorter days and less outdoor time can reduce vitamin D levels. Low vitamin D status has been associated with fatigue, mood changes and even higher risk for depression.
A practical step as we shift into the darker months is to ask your healthcare provider about checking your vitamin D status. If levels are low, supplementation may be recommended. Dietary sources, such as fatty fish, fortified dairy and eggs, can also contribute, but it is difficult to reach adequate intake from food alone, especially in certain geographical areas or if your sun exposure is greatly reduced.
Tools for Managing Stress in Fall
Several strategies can help keep stress hormones in check and support overall well-being:
- Light exposure: Try to spend at least 20–30 minutes outside each morning. If that is not possible, light therapy lamps can be useful for people who notice their mood dips in fall and winter.
- Movement: Physical activity lowers cortisol levels and supports both mental and physical health. Even short walks or indoor stretching sessions can make a difference.
- Structured routines: Going to bed and waking up at consistent times helps regulate cortisol and melatonin, supporting better sleep and daytime energy.
- Mindful pauses: Simple breathing exercises or a brief meditation can help calm the nervous system during busy days.
For example, try the “4-4-4-4” pattern: inhale through your nose for 4 seconds, hold for 4 seconds, then exhale slowly through your mouth for 4 seconds, hold for 4 seconds. Repeat this cycle for 3–5 rounds to reduce tension and refocus.
- Balanced nutrition: Eating regular meals with protein and fiber helps keep blood sugar stable, which in turn can reduce feelings of stress or irritability.
Stress is part of daily life, but the seasonal shift in fall can make it harder to manage. By paying attention to light exposure, daily routines, movement and vitamin D status, you can reduce the impact of stress hormones and support both mood and metabolic health as the days grow shorter.
By Cassie Story, RD, Nutrion Subject Matter Expert
