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The Triangle of Seasonal Affective Disorder

Energy, Mood, and Sleep


Neon green triangle labeled "Energy," "Mood," "Sleep," on black. Text: "The Triangle of Seasonal Affective Disorder," "ThinkinginTriangles.com."

The triangle of Energy, Mood, and Sleep represents the core aspects affected by Seasonal Affective Disorder (SAD), a form of depression that occurs during seasonal changes, often in winter. These interconnected factors influence overall well-being and highlight areas for intervention.


  1. Energy: SAD often causes a noticeable drop in energy levels, leading to fatigue and reduced motivation. Limited sunlight during shorter days disrupts the body’s natural rhythms, decreasing physical and mental vitality.

  2. Mood: Low mood is a hallmark of SAD, characterized by feelings of sadness, irritability, or hopelessness. The lack of sunlight reduces serotonin production, which impacts emotional regulation, contributing to depressive symptoms.

  3. Sleep: Changes in light exposure affect melatonin levels, disrupting sleep cycles. People with SAD may experience excessive sleepiness (hypersomnia) or difficulty maintaining restful sleep, further exacerbating fatigue and mood issues.


Addressing energy, mood, and sleep through light therapy, physical activity, and supportive routines can help manage SAD symptoms and restore balance.

 

 
 
 

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