A low mood during the dark season is often linked to a lack of light, which affects the day-night rhythm. In everyday life, plenty of daylight, fresh-air exercise, a fixed routine, and social contact help. For persistent low spirits, lack of drive, or dark thoughts, medical or psychotherapeutic help is important.
When the days grow shorter, many people know the feeling: you are more tired, harder to get out of bed and somehow subdued. A slight dip in mood during winter is widespread. This guide puts into context what lies behind it, what helps you through the dark season and when a dip becomes something more that needs professional support.
What lies behind winter depression
With autumn, the natural daylight decreases significantly - and light is a central timekeeper for our body. Via the eyes it controls our internal clock and influences messenger substances and hormones that are connected with wakefulness, sleep and mood. If the light is missing, the day-night rhythm can get out of sync.
An important component here is melatonin, the hormone that signals rest and sleep to the body. With little daylight its release can last longer during the day, which intensifies the feeling of sluggishness and tiredness. At the same time, the internal clock is closely linked to the serotonin balance, which co-shapes mood and drive. These subtle shifts explain why many people feel as if in standby mode during winter, even though nothing has changed outwardly.
Typical of the seasonal dip in mood are a low mood, an increased need for sleep, listlessness and sometimes an increased appetite, especially for carbohydrates. Unlike a brief slump, these complaints persist over weeks and classically improve again in spring. How pronounced this is varies greatly from person to person - from a slight greyness to a serious burden.
When you should have it checked by a doctor
This text is no substitute for medical or psychotherapeutic advice. Please seek help promptly if your low mood lasts longer than about two weeks, if you hardly feel any joy or drive any more, if sleep, appetite or concentration suffer noticeably or if you feel severely restricted in everyday life. Thoughts of death or of no longer wanting to live are to be taken very seriously - then please turn immediately to a doctor or an emergency service. In Germany, the telephone counselling service (Telefonseelsorge) is available around the clock free of charge on 0800 111 0 111 and 0800 111 0 222. A medical assessment is also sensible for physical symptoms that could lie behind it.
What you can do in everyday life
The probably most important lever is called light. Go outside as often as possible, especially in the morning hours - even an overcast winter day is many times brighter outdoors than any room. A brisk walk combines light and movement, which many experience as mood-lifting. Keep your workplace as bright as possible and sit by the window. Even twenty to thirty minutes of daylight in the morning can help the internal clock to sort itself out.
A regular rhythm stabilises: fixed times for getting up, meals and sleeping give the body orientation. Especially on days off it is worth not staying in bed until midday, even though tiredness tempts you. Movement demonstrably does the mood good, whether a walk, a bike ride or sport. Consciously maintain social contacts, even if your inner couch potato would rather stay on the sofa - arrangements and conversations counteract withdrawal. Some people use a daylight lamp in the morning; ideally discuss this with your doctor.
It is helpful to set yourself small, achievable goals rather than taking on too much. A single item on the day's agenda that does you good - the morning walk, a phone call, a warm meal with someone - often carries more than an overloaded plan that then remains undone anyway. Also pay attention to the evening hours: glaring screen light and late stimulation make falling asleep harder, while dimmed light and a calm wind-down help the body to power down. In this way a day-night rhythm gradually emerges that makes drive in the morning and rest in the evening easier.
Nutrition that supports
A balanced, colourful diet provides the nutrients your body needs, especially in demanding phases. Rely on vegetables, fruit, wholegrain products, pulses, high-quality protein sources and fish. Regular meals keep blood sugar more stable and prevent cravings for sweets, which can be particularly tempting in winter. Anyone who begins the day with a filling, not too sweet breakfast often starts with more even energy.
Fatty sea fish such as salmon or herring provides omega-3 fatty acids, nuts and seeds provide valuable fats and minerals. Green vegetables and pulses contribute folate, wholegrain products provide B vitamins. Pay attention to enough fluid and a moderate approach to caffeine in the afternoon and to alcohol, since both can disturb sleep. Warm, colourful dishes such as soups and stews are often doubly good in the cold season. The increased appetite for sweets in winter is, by the way, normal; here it helps less to strictly forbid than to reach for filling alternatives - such as fruit, nuts or a wholegrain pastry instead of pure sugary products. A good diet is no substitute for professional help, but a solid foundation.
Nutrients & plants with a connection
In the light-poor time, some nutrients come into focus. Vitamin D contributes to a normal function of the immune system and to the maintenance of normal bones - in the winter months the body produces hardly any vitamin D of its own via the skin, which is why it makes sense to keep an eye on it. The B vitamins play a role for nerves and energy: vitamin B6, B12 and folate contribute to a normal psychological function and to the normal function of the nervous system, and several B vitamins also contribute to the reduction of tiredness and fatigue. Magnesium contributes to a normal function of the nervous system and to normal psychological function.
Iron too is worth a look, since it contributes to a normal energy-yielding metabolism and to the reduction of tiredness and fatigue - tiredness is a common theme in winter. Vitamin C likewise contributes to the reduction of tiredness and fatigue as well as to a normal psychological function and supports the absorption of iron from plant-based food. Zinc contributes to a normal cognitive function, and pantothenic acid contributes to normal mental performance - both aspects that many keep in view during sluggish winter days. Among the plants, St John's wort is traditionally mentioned in connection with emotional balance; however, it can interact with medications - be sure to speak with a doctor before using it. In principle: nutrients are one building block and replace neither daylight and movement nor, with more serious complaints, professional treatment.
Honestly put into context
Light, movement and a good rhythm can noticeably counteract a slight winter dip in mood - that is honest and suitable for everyday life. However, they do not replace treatment when the dip turns into a serious depressive burden. No nutrient and no plant simply makes a depression go away. The most important sentence of this text is therefore: if the heaviness does not let go of you over weeks, it is a sign of strength to get help.
Suitable products from Scheunengut
If you would like to focus specifically on vitamin D during the dark season, you will find it, for example, in our Fresh-Breath Lozenges with vitamin D. Vitamin D contributes to a normal function of the immune system. This is a food supplement that does not replace a balanced diet, a healthy lifestyle and - where necessary - professional help.
Frequently asked questions (FAQ)
Is a winter dip in mood the same as depression?
A slight, temporary dip during the dark season is widespread and not to be equated with a depression requiring treatment. If low spirits and listlessness persist over weeks, however, that needs to be assessed professionally.
Does daylight really help against a gloomy mood?
Light is a central timekeeper for our rhythm, and many people experience time outdoors as mood-lifting. Even an overcast day is noticeably brighter outdoors than an indoor space.
What does movement do for a winter dip?
Regular movement, especially in the fresh air, is good for the mood in most people's experience and combines ideally with daylight. Even a daily walk can be a good start.
Why is vitamin D a theme in winter?
In the winter months the sunlight in our latitudes is hardly sufficient for the body to produce enough vitamin D via the skin. Vitamin D contributes to a normal function of the immune system.
Can nutrition influence mood?
A balanced diet with regular meals provides important nutrients and keeps blood sugar more stable. It is a sensible foundation, but with serious complaints it is no substitute for professional help.
From when should I seek help?
If your low mood lasts longer than about two weeks, your everyday life suffers greatly or dark thoughts burden you, please get medical or psychotherapeutic help - in an emergency via the telephone counselling service on 0800 111 0 111.
Do B vitamins help against winter tiredness?
Several B vitamins contribute to the reduction of tiredness and fatigue as well as to a normal psychological function. They are one building block, but replace neither daylight and movement nor, if needed, professional help.
Health notice: This guide is for general information purposes only and does not replace individual medical or pharmaceutical advice. Food supplements are not a substitute for a balanced, varied diet and a healthy lifestyle. If you have health concerns, are pregnant or breastfeeding, or are taking medication, please consult a doctor or pharmacist. How our guides are created →
Sources
- Seasonal affective disorder - patient information — Institute for Quality and Efficiency in Health Care (gesundheitsinformation.de), 2023
- Vitamin D - reference values and supply — German Nutrition Society, 2023
- EU Register of nutrition and health claims made on foods — European Commission, 2024
- Regulation (EC) No 1924/2006 on nutrition and health claims — Official Journal of the European Union, 2006








