Did You Know? Summer Fatigue Often Shows Up as 'September Sickness'
Feeling Sluggish at the End of Summer? It Might Be “September Sickness”
As September begins, many people suddenly feel sluggish, sleepy, and unmotivated.
This isn’t just leftover tiredness—it may actually be “September sickness.”
In this article, we’ll explain why summer fatigue tends to surface in early autumn and share simple countermeasures you can start today.
What Is September Sickness?
September sickness refers to the body’s struggle to recover after enduring summer’s extremes.
- The autonomic nervous system is thrown off balance by heat and air conditioning.
- Once the “heat tension” of August lifts, accumulated fatigue rises to the surface.
- Temperature swings between hot days and cool mornings/evenings strain the body’s regulation system.
As a result, people often experience:
- Fatigue and daytime drowsiness
- Trouble focusing
- Low mood or irritability
- Headaches and dizziness
Why Does Summer Fatigue Appear in Autumn?
Several factors explain why symptoms peak in September:
-
Autonomic nervous system imbalance
Air conditioning and outdoor heat make it harder for the body’s systems to switch smoothly. -
Disrupted sleep rhythm
Summer nights of poor sleep throw off your internal clock. -
Nutritional gaps
A diet heavy in cold noodles and chilled drinks leaves you short on minerals.
Easy Countermeasures for September Sickness
You can reset your body’s rhythm with small daily habits:
- Morning sunlight → Helps reset your biological clock
- Warm meals → Soups and miso soup soothe digestion
- Light exercise → Walking or stretching improves circulation
- Bathing instead of just showering → A warm soak relaxes the body
- Limit cold drinks → Prevents extra strain on digestion
Conclusion: September Sickness and Autumn Fatigue Are Closely Linked
Although the term “September sickness” is relatively new, it overlaps with what’s long been called autumn fatigue.
By resetting the tiredness carried over from summer, you’ll be able to enjoy the season’s appetite and energy more fully.
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