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Seasonal Affective Disorder (SAD) is a type of depression that tends to pop up at specific times of the year, usually during the autumn and winter months when the days are shorter. Unlike the occasional “winter blues,” SAD is a recognised clinical condition that can truly interfere with your daily life and well-being.
SAD symptoms can feel a lot like other types of depression, but they follow a seasonal pattern. Here are some common ones:
Feeling down. Persistent sadness, hopelessness, or emptiness for much of the day. You might find it hard to ‘bounce back’ from low moods.
Low energy. Feeling lethargic or sluggish, with heavy limbs.
Lack of motivation. Struggling to start or keep up with tasks that require effort.
Sleep issues. Changes in your sleep patterns, like oversleeping or waking up earlier than usual and not being able to fall back asleep.
Appetite changes. Craving carbs, overeating, and possibly gaining weight.
Social withdrawal. Wanting to isolate from friends and family and avoiding social interactions.
Loss of interest. Activities you used to enjoy may now feel like a chore.
Poor concentration. Finding it hard to think clearly, make decisions, or focus on tasks.
Decreased libido. Less interest in sexual activities.
Negative thoughts. Feeling hopeless or helpless about the future and dwelling on negative or morbid thoughts.
Guilt and low self-esteem. Feeling excessively guilty or losing confidence and self-worth.
Suicidal thoughts. In severe cases, thoughts of self-harm or suicide, ranging from fleeting ideas to detailed plans.
Seasonal affective disorder
is very rare in Australia,
affecting approximately 1 in
300 Australians
35% of Australians
experience depression
during the winter months
SAD is thought to result
from shorter days disrupting
the body’s circadian rhythm,
reducing hormones like
melatonin and serotonin
that affect sleep and mood
SAD can be difficult to
diagnose and may take two
years of seasonal symptoms
before a diagnosis is made
When it comes to treating Seasonal Affective Disorder (SAD), research highlights a few key approaches that stand out as particularly effective.
First up, light therapy is often the go-to treatment for SAD. This involves sitting in front of a special light box that mimics natural sunlight, helping to regulate your body’s internal clock and boost your mood. Studies have shown that light therapy can be really effective, especially if you start it before the symptoms of SAD hit or at the first sign of them. It can help prevent a full-blown depressive episode and is even more effective when used with a light visor.
Another treatment that has proven its worth is Cognitive Behavioural Therapy (CBT). This therapy helps people change negative thought patterns and behaviours, which can be particularly useful for those struggling with SAD. Some studies suggest that CBT alone or combined with light therapy can be just as effective as light therapy on its own. It also seems to have a longer-lasting impact, reducing the chances of relapse in future winters.
When it comes to medication, the research is mixed. Some antidepressants have been shown to be effective and well-tolerated, while others appear less beneficial in studies. There are also options that may help prevent future episodes, though it’s important to balance potential benefits with possible side effects.
As for other treatments, some people find relief with physical exercise, which can be a great complement to light therapy. Herbal remedies, such as St. John’s Wort, have shown some benefit, but the evidence is not as strong for other options like Kava or Ginkgo biloba.
In terms of what the research says about SAD itself, it’s a real condition that affects many people, especially during the darker months of the year. The symptoms are similar to those of major depression but are specifically tied to seasonal changes. There’s still ongoing debate about the exact mechanisms behind SAD, but the combination of light therapy, CBT, and medication seems to offer the best hope for managing and treating it effectively.
In summary, light therapy and CBT are your best bets when it comes to treating SAD, with medications like sertraline and bupropion also being useful in some cases. Each person’s experience with SAD can vary, so it might take some experimenting to find what works best for you.
*Source: Seasonal affective disorder, winter type: current insights and treatment options – National Library of Medicine
Exercise can lift your mood. Even a quick walk or home workout helps. Find something you enjoy and make it part of your routine!
A Mediterranean diet full of fruits, veggies, whole grains, and healthy fats can help with SAD and mental health. Check out the SMILES trial for more on how diet impacts mood.
Clinical Psychologist, Director of MindBox Psychology
Our Psychologists are highly qualified, with Masters or Doctorate degrees in Clinical Psychology. We use evidence-based approaches, including Cognitive Behaviour Therapy (CBT), Light Therapy, and Mindfulness, to provide tailored support for individuals experiencing Seasonal Affective Disorder (SAD), helping them manage mood changes, increase energy levels, and improve overall well-being.