Natural Remedies for Seasonal Affective Disorder: 6 Approaches That May Help

For many people, a seasonal low mood is more than a passing mood: seasonal depression that returns at the same time each year, usually as the days shorten, and lifts again in spring. The natural remedies for seasonal affective disorder with the most support behind them are light therapy, morning time outdoors, regular movement, vitamin D (worth discussing with a healthcare professional first), calming practices such as meditation, and keeping a simple mood journal. Evidence for each varies, and none of these replaces professional care — but as natural ways to cope with seasonal affective disorder, woven into a steady daily routine, they may help improve mood and energy through the colder months.

What Is Seasonal Affective Disorder?

Seasonal affective disorder, known as seasonal affective disorder or SAD, is a type of depression with a recurrent seasonal pattern — a form of depression and a mood disorder in which depressive episodes follow the seasons. In most cases, symptoms begin in the late fall and early winter and ease during the spring and summer, known as winter-pattern SAD. Winter seasonal affective disorder is far more common than the summer pattern, and in diagnostic terms SAD is a form of major depression whose episodes follow a seasonal pattern. People who experience SAD often notice the same pattern returning year after year, through the winter months when daylight is shortest. A smaller number of people experience the opposite pattern, with symptoms in spring and summer. According to the National Institute of Mental Health (NIMH), symptoms typically last about four to five months of the year, and a diagnosis generally requires depressive episodes that follow the same seasonal pattern for at least two consecutive years. Seasonal depression may ease on its own as daylight returns, but the pattern tends to repeat the following year.

SAD occurs more often in women than in men — women with SAD often notice symptoms beginning in young adulthood — and in most cases it begins in young adulthood. It is also more common in people who live farther north, where winter days are shorter, and in people who already live with depression or other conditions. Winter-pattern SAD is not the same as the “holiday blues.” The depression linked to SAD is related to changes in daylight hours, not the calendar — so stress around holidays, family visits, or work schedules is a different matter, even when the two overlap in the same season.

Signs of Seasonal Depression

Not everyone with SAD experiences the same symptoms, and the symptoms of SAD can start mild and become more noticeable as the season progresses. The Mayo Clinic lists these among the signs:

• Feeling sad, low, or “empty” most of the day, nearly every day, for two weeks or more
• Losing interest in activities you once enjoyed
• Low energy, sluggishness, or feeling slowed down
• Sleeping much more than usual (oversleeping)
• Craving carbohydrate-rich foods, overeating, and gaining weight
• Difficulty concentrating or making decisions
• Withdrawing socially, or feeling like “hibernating”
• Feelings of hopelessness, worthlessness, or guilt

SAD symptoms like these can look different from person to person. Fatigue and oversleeping are commonly associated with SAD, and the symptoms of seasonal affective disorder may also overlap with other conditions — SAD can occur alongside anxiety disorder, and anxiety and depression frequently occur together. These are symptoms of depression with a seasonal pattern, not a passing low mood. If several of these depression symptoms sound familiar and they return at the same time each year, it may be worth talking with a healthcare professional or mental health specialist. A questionnaire can help determine whether what you are experiencing fits the pattern of SAD — self-diagnosis is not a substitute for that conversation.

Why Shorter Days Can Affect Mood

What causes seasonal affective disorder is still being studied — the causes of SAD are not fully understood, and research and treatment guidance continues to evolve — but several connected explanations have support. Reduced daylight appears to affect serotonin, a brain chemical that plays a role in regulating mood, partly due to lack of sunlight in the winter months; research suggests that sunlight influences the molecules that help maintain normal serotonin levels, and shorter days may interfere with that process. According to research from NIMH, vitamin D deficiency may add to the problem, since vitamin D is believed to promote serotonin activity — and with less sunlight on the skin in winter, levels may drop, leaving some people low in vitamin D by February.

Melatonin, the hormone that helps maintain the normal sleep-wake cycle, is also involved. Some studies suggest people with winter-pattern SAD produce too much melatonin, which can increase sleepiness and lead to oversleeping. Together, these shifts can disrupt the internal clock of individuals with seasonal affective disorder — the circadian rhythm that ties sleep, mood, and energy to the day-night cycle. When the circadian rhythm is disrupted, it becomes harder to adjust to seasonal changes in day length, and mood and sleep can both suffer. That is one reason morning light exposure, which may support the internal clock, is often the first habit people try.

Negative thoughts about winter and its limitations are also common, and seasonal mood changes can feed on themselves: low light leads to low energy, which leads to staying indoors, which means even less light. While it is unclear whether those thoughts are a cause or an effect of SAD, they can be a useful focus for support — and breaking the indoor cycle is part of what the routines below aim to do.

6 Natural Approaches for Seasonal Affective Disorder

The approaches below are the ones most often discussed in the research and in guidance from public health bodies. They are general wellness information, not medical advice, and they work best as a consistent, holistic routine rather than a one-off fix. If you experience seasonal lows year after year, these approaches to help manage SAD — and to combat seasonal lows rather than just endure them — are a starting point — not a diagnosis. Small routines may ease seasonal dips even when they cannot remove them. If you are already receiving care for depression or another condition, including SAD, talk with your healthcare provider before changing anything.

1. Light therapy

Bright light therapy has been a mainstay for winter-pattern SAD since the 1980s, according to NIMH. It involves sitting in front of a very bright lamp — typically 10,000 lux — every day for about 30 to 45 minutes, usually first thing in the morning, from fall to spring. A 10,000-lux box is roughly 20 times brighter than ordinary indoor light, and it filters out potentially damaging UV light, which NIMH describes as safe for most people. Light in the morning appears to be the most useful timing for this form of treatment, since it speaks directly to the body clock.

A few cautions matter. People with certain eye conditions, or people taking medications that increase sensitivity to sunlight, may need an alternative approach or should use a light box under medical supervision. And while it is one of the better-supported natural options, it is still a treatment — if you are considering a light box, discussing it with a healthcare professional first is a sensible step, especially if you also live with bipolar disorder, where the seasons can shift mood in more complex ways.

2. Get outside in morning light

Natural light is free, and getting outside in the morning appears to be the most useful kind of morning light for the body clock. A short walk outside within an hour or so of waking — even on a cloudy day, when natural sunlight is still far brighter than indoor light — may help anchor your sleep-wake rhythm and boost mood. Regular exposure to natural light in the morning is one of the simplest habits in this guide. Time outside also adds gentle movement and a change of scene, which may lift mood on days that feel flat. If you would like ideas for making outdoor time a regular habit, our guide to the benefits of regular outdoor time covers why time outside tends to lift mood, and the power of daily natural light exposure explains the circadian side in more detail.

On dark mornings, pairing the walk with your bright-light session — lamp first, then a short walk for sun exposure — can turn two small habits into one anchored routine.

3. Keep moving, gently and regularly

Regular exercise is one of the most consistently supported habits for mood in general, and winter is when it tends to slip. You do not need an intense program: a daily walk, stretching, gentle yoga, or any activity you actually enjoy may help. Movement may trigger the release of endorphins, natural mood-related chemicals, and it can also improve sleep, which in turn may support steadier energy levels the next day. The aim is regularity rather than intensity — something you can keep doing on the greyest week of January, not something that depends on motivation being high.

If you are building a routine from scratch, our guide to the best exercises to reduce stress collects low-pressure options, from walking and yoga to dance and swimming, with ideas for choosing what fits your life.

4. Vitamin D — discuss it with a healthcare professional

Because many people with winter-pattern SAD have low vitamin D levels, a vitamin D supplement is often raised as an option. The evidence, however, is mixed: NIMH notes that some studies have found vitamin D as helpful as light treatment, while other studies have found no effect. That uncertainty is exactly why this is a “talk to your clinician” item rather than a do-it-yourself one — vitamin D can interact with some medications, and blood levels vary widely from person to person.

Vitamin D-rich foods such as oily fish, fortified foods, and eggs contribute vitamin D too, and spending time outdoors in brighter months helps the body produce it when skin is exposed to sunlight. But for winter supplementation, a healthcare professional can advise on whether testing or a supplement makes sense for you.

5. Meditation and calming practices

Quiet, regular calming practices may help some people manage the stress and low spirits that come with the darker months. Meditation, slow breathing, and body-scan practices are low-cost, need no equipment, and can be done in a few minutes — which makes them easier to keep up than habits that need special gear or a trip somewhere.

A simple starting point is five slow breaths before you get out of bed, or a short guided meditation after your morning light session. Our step-by-step box breathing guide walks through a 4-4-4-4 breathing pattern that many people find grounding, and it pairs well with the morning routine below. Some people also explore herbal options for calm — our guide to the top herbs for anxiety and stress relief covers the most-discussed ones, with the usual caution to check with a healthcare professional before trying any supplement.

6. Journaling and tracking your mood

Writing things down serves two purposes in winter: it gives those feelings somewhere to go, and it creates a record you can actually look back on. A short daily note — how you slept, how the morning felt, what you did outside, one thing that helped — can reveal patterns that are invisible day to day, such as a dip that follows three indoor days in a row. That record is also genuinely useful if you later talk with a healthcare professional, because it shows the pattern rather than relying on memory.

Keep it small: two or three lines a day beats a long entry you abandon after a week. Our guide to journaling for stress relief has prompts if staring at a blank page is the hard part.

The 30-Minute Morning Light Routine

The single most useful change for many people is to anchor the morning. Here is a simple timed routine that folds the strongest elements together — light, movement, and a calm start — in about half an hour. Try it for two weeks before judging it; routines like this tend to show their effect gradually, and they may help more than any single habit on its own.

• Minutes 0–5: Open up the light. Open curtains and blinds as soon as you wake. If you use one, switch it on now and sit near it while you have breakfast or a warm drink.
• Minutes 5–15: Light-box time. Stay near the light while you eat, read, or plan the day. Keep the box at the distance its instructions suggest, and avoid looking directly into it.
• Minutes 15–25: Step outside. A short walk, even just around the block, adds real light and gentle movement. On a cloudy day this still counts — outdoor light is far brighter than indoor light, and the walk itself may lift your spirits.
• Minutes 25–30: One calming minute, then plan. Take five slow breaths, note one thing you are looking forward to today, and jot a single line in your mood journal: sleep, energy, and mood, each on a simple 1–5 scale. A steady morning may lift mood and help regulate sleep over time.

If 30 minutes feels like too much on a busy morning, shrink it rather than skipping it: five minutes of light and a two-minute walk still anchors the day better than nothing.

A Simple Winter Mood Tracker

Use this tracker for one week at a time. Each evening, score sleep, energy, and mood from 1 (low) to 5 (good), and note whether you got morning light and movement. After a week or two, look for the pattern: do higher scores follow the days you went out in the morning? Do scores rise after a week of consistent mornings?

Day	Sleep (1–5)	Energy (1–5)	Mood (1–5)	Morning light?	Moved today?	One line about the day
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday

Print it, copy it into a notebook, or keep it on your phone — the format matters less than the habit of noticing. If your scores stay low for two weeks or more, or if you notice thoughts of harming yourself, reach out for professional support promptly (see the section below).

When to Talk to a Healthcare Professional

Natural approaches can support general wellbeing, but they are not a replacement for professional care. Consider talking with a healthcare provider or mental health specialist if low mood lasts most of the day nearly every day for two weeks or more, if it interferes with work, relationships, or daily life, or if it returns each winter and feels harder to manage. A professional can talk through options — including bright-light sessions, talk therapy such as cognitive behavioral therapy (CBT) adapted for SAD, and medication where appropriate, including antidepressant medication in some cases — and help you put together a plan that fits your situation. Therapy for SAD is a real option, not a last resort, and CBT adapted for SAD was designed for patients with winter-pattern SAD and has been compared directly with bright-light treatment in research, with both approaches helping many people.

If you are having thoughts of suicide, call or text 988 in the US (the Suicide and Crisis Lifeline) or call 911 in an emergency. The Substance Abuse and Mental Health Services Administration also has an online treatment locator at findtreatment.gov for finding care near you.

If winter tends to weigh on you, you may find it helps to get one short, practical guide in your inbox each week — you can join our email list and we will send gentle seasonal coping ideas, including reminders to start light routines before the darkest weeks arrive.

Frequently Asked Questions

Does light therapy work for everyone with SAD?

No — responses vary, and it is not a guaranteed fix. NIMH describes it as a mainstay treatment for winter-pattern SAD, and some people notice improvement within a week or two, but others need a different approach or a combination of approaches. If it does not seem to help after a few weeks of consistent use, that is worth discussing with a healthcare professional rather than assuming nothing will help.

Can vitamin D alone help with seasonal affective disorder?

Probably not on its own. Studies testing vitamin D as a treatment for SAD have produced mixed results, with some finding it as effective as light treatment and others finding no effect. A supplement may be one part of a broader picture that includes light, movement, sleep, and social connection — and whether a supplement makes sense for you is a question for a healthcare professional.

How soon might a morning light routine help?

That varies a lot from person to person. Some people report feeling a little steadier within a week or two of a consistent morning routine; for others, the change is slower and subtler. The routine is best judged over several weeks, and keeping the mood tracker above makes it easier to tell whether anything is actually shifting.

Is SAD the same as the winter blues?

Not quite. Many people feel a bit down when days get shorter, and that is often called the winter blues. SAD involves a recurrent seasonal pattern of depression — closer to clinical depression than to a passing low mood — with symptoms that are more persistent, last months rather than days, and can interfere with daily life. The distinction matters because SAD may benefit from professional support, while a passing low mood often eases with small lifestyle shifts.

Can SAD happen in summer too?

Yes, though it is less common. Summer-pattern SAD can involve trouble sleeping, poor appetite, weight loss, restlessness, and anxiety. The natural approaches in this article are mainly aimed at the winter pattern; if your mood follows the warmer months, talking with a healthcare professional is the best next step.

This article is general educational information about seasonal affective disorder and natural wellness approaches. It is not medical advice and is not a substitute for diagnosis or treatment by a qualified healthcare professional. If you have concerns about your mood or mental health, please talk with a healthcare professional about what is right for you.