Sluggishness
A pervasive sense of mental and physical sluggishness, lethargy, and reduced speed of thought and movement. Sluggishness suggests a broader systemic slowing rather than fatigue alone.
Quick answer
Sluggishness (ICD-10: R53; ICD-11: MG22) describes physical and cognitive slowing associated with hypothyroidism, depression, nutritional deficiency, and medication effects. Thyroid assessment is a priority. Evidence supports nutritional correction, aerobic exercise, and morning light exposure.
Recognition
Do any of these feel familiar?
Feeling mentally slow or foggy throughout the day
Slow physical movements or a sense of heaviness
Difficulty getting started on tasks or activities
A sense of operating in slow motion
Low motivation alongside physical and cognitive lethargy
What is Sluggishness?
A pervasive sense of mental and physical sluggishness, lethargy, and reduced speed of thought and movement. Sluggishness suggests a broader systemic slowing rather than fatigue alone.
Approaches Commonly Explored
Commonly explored for conditions related to Sluggishness, grouped by mechanism — select your subtype above to highlight the most relevant path.
How to use these approaches
Most people begin with Stabilise approaches, then progress toward Resolve and Sustain.
Energy production, nutrient metabolism, and cellular function.
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