Seasonal Affective Disorder (SAD) is a type of depression related to a change in the seasons. Symptoms start in the fall and continue into the winter months, sapping your energy and making you feel moody.
Some people may get a mild version of SAD known as the ‘winter blues.’ For many people, it is normal to feel a little down during the darker, colder months, but full SAD is more than that. It is a form of depression that affects millions, and those of us who live in areas where the days become significantly shorter are particularly vulnerable. (There is summer SAD, but it is far less common.)
People who have bipolar disorder are at increased risk of SAD. For some, episodes of mania may be linked to a specific season. Spring and summer can bring on mania or hypomania (a less intense form of mania). These are characterized by anxiety, agitation, and irritability.
Causes of SAD
Scientists do not know exactly what causes seasonal depression, but lack of sunlight might trigger it in those prone to SAD. It must be stated and recognized that the pandemic makes depression and SAD much worse.
Some theories about what causes SAD include:
Symptoms of SAD
SAD is not a separate disorder; rather, it is a type of depression.
Signs of SAD include:
Some find light therapy in the morning to be helpful (do not use light therapy at night). This can come from a SAD lamp placed two to three feet away while you work, read, eat, or do other activities. Exposure to natural sunlight for as little as an hour per day can be therapeutic. Walking in the sunshine, or at least being near a sunny window, may have the same effect. Full spectrum light bulbs at home make your artificial light mimic daylight.
One writer suggested turning on all the lights when you wake up in the morning. Biologically, we are designed to sleep when it is dark and to awaken when there is light. Hence, it is harder to get out of bed when it still feels like night than when it is summer, and the sun is shining brightly when we wake up.
If none of these strategies help, antidepressant medication can be very helpful. If the depression is severe, it needs to be treated.
Managing symptoms of SAD
You can work to manage the symptoms of SAD. Get lots of light, get enough sleep, and eat a well-balanced diet. Plan activities and have social contact. A busy schedule keeps you from going deeper into depression. Do not isolate yourself as being alone can make symptoms worse. If you cannot get out, reach out to friends and loved ones. Consider working with a psychologist to help with your symptoms.
Avoid using alcohol or drugs. Alcohol is a depressant. Alcohol and drugs may make symptoms worse and can interact negatively with antidepressant medications.
I have developed an MP3 called “Hello Sunshine.” It utilizes guided imagery and hypnotic suggestion to recreate in the mind all the feelings and sensations of being in bright sunshine. For 25 minutes each day, take a journey into summertime. The theory is that when the consciousness is flooded with those images, the body responds with the appropriate shifts in biochemistry. We know our thoughts affect our body, so this is a holistic method to utilize all the resources of the body/mind to create changes in mood. You can find “Hello Sunshine” on my website, gwen.ca/sad.
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