The seasonal shift is more than just a passing mood, it is a biological hurdle that can deeply impact mental well-being.
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As the crisp air settles over South Africa and the sun dips behind the horizon a little earlier each evening; many of us feel a familiar shift.
We often refer to this as the winter blues.
It is that specific sluggishness that makes hitting the snooze button feel irresistible and makes a quiet night on the couch far more appealing than a social gathering.
But for some, this seasonal shift is more than just a passing mood. It is a biological hurdle that can deeply impact mental well-being.
According to the South African Depression and Anxiety Group (SADAG), while many of us struggle with the change of season, there is a distinct difference between feeling a bit "off" and experiencing Seasonal Affective Disorder (SAD).
Understanding this distinction is the first step in reclaiming your vitality during the colder months.
It is easy to dismiss seasonal fatigue as a lack of discipline, but the numbers suggest a significant portion of the population is physically struggling.
Dr Bianca Brandt, a referring doctor to Mediclinic Hermanus, notes that about 10 per cent of mood disorders follow a seasonal pattern.
"True Seasonal Affective Disorder rates are only 2 to 3 per cent in the general public, but winter blues affect about 15 per cent of people," Dr Brandt explains.
She points out that in South Africa, our baseline depression rate is already high, with over 25 per cent of people reporting moderate to severe symptoms.
When you add poorly insulated homes and the spike in joint pain and muscle aches that come with the cold, it creates a perfect storm for a dip in mental health.
It is easy to dismiss seasonal fatigue as a lack of discipline, but the numbers suggest a significant portion of the population is physically struggling.
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SADAG emphasises that recognising the warning signs is vital for early intervention.
Unlike general depression, SAD often presents with very specific physical and behavioural cues.
You might notice a persistent "heavy" feeling in your arms or legs, or find yourself oversleeping yet still waking up exhausted.
A hallmark of the condition is a change in appetite, particularly intense cravings for carbohydrates and sugary foods, which often leads to seasonal weight gain.
Emotionally, the red flags include a loss of interest in hobbies you usually love and a strong urge to "hibernate" by withdrawing from friends and family.
You have a strong urge to "hibernate" by withdrawing from friends and family.
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The primary culprit behind these heavy feelings is often the lack of morning sunlight.
Our bodies rely on light to regulate the endocrine system, specifically the balance between melatonin and serotonin.
When we get sunlight in our eyes first thing in the morning, it acts as a biological "on" switch.
"Morning light suppresses melatonin production, the sleepy hormone, and in that way it turns off night mode," says Dr Brandt.
Sunlight also boosts serotonin, which is essential for mood stability.
Without that early light exposure, our cortisol levels, which help us feel awake, are delayed, leaving us feeling groggy and fatigued well into the afternoon.
In South Africa, we often take our sunshine for granted, but during winter, especially in the Western Cape, the angle of the sun means UVB rays are much less intense.
From June to August, Vitamin D levels can drop significantly as we spend more time indoors.
While ten minutes of sun a few times a week is enough in summer, winter requires a more conscious effort.
Dr Brandt suggests 20 to 40 minutes of sun exposure on the legs, arms, and face at least three to five days a week.
Interestingly, she notes that short bursts of sun without sunscreen are ideal for Vitamin D production in winter, as even sunscreen can block the very rays we need to stabilise our energy and mood.
While ten minutes of sun a few times a week is enough in summer, winter requires a more conscious effort.
Image: Klaus Nielsen / Pexels
Before jumping to a diagnosis, it is important to rule out other physical conditions.
Dr Brandt explains that practitioners must check for thyroid dysfunction, anaemia, or Vitamin B12 and folate deficiencies, as these can mimic the symptoms of seasonal depression.
For those diagnosed with SAD, SADAG highlights several effective treatment pathways.
Phototherapy, or light box therapy, involves sitting in front of a specialised light for about 30 minutes each morning to reset the circadian rhythm.
Psychotherapy, particularly Cognitive Behavioural Therapy (CBT), is also highly effective in helping patients manage the "winter mindset."
In some cases, medical professionals may prescribe Vitamin D supplements or SSRI antidepressants to help bridge the gap until the seasons change.
It is no secret that exercise is a powerful antidepressant, but when the rain is lashing against the windows, the motivation to move often evaporates.
Dr Brandt believes that exercise should be treated as a doctor’s prescription.
"In places like the Western Cape, shorter days with more rain and wind really do keep people indoors," she says.
While it takes more effort to find that "runner’s high" in July than it does in January, maintaining physical activity is one of the best ways to keep endorphin levels stable.
If the shadows feel too heavy to lift on your own, reach out for support. SADAG offers resources and support groups for those struggling to cope.
Winter will eventually give way to spring, but in the meantime, taking care of your mental health is the best way to ensure you don't just survive the season but move through it with grace.