Surprising Effects of Autumn Temperature and Humidity on "Sleepiness
Have you ever experienced that "I feel sleepy in the fall..."? Have you ever had such an experience? In fact, the changes in temperature and humidity that are unique to autumn are deeply related to our sleepiness.
In this article, we will introduce the effects of autumn weather on the body and how to wake up comfortably.
The Nature of Autumn Sleepiness: Temperature and Body Temperature Rhythms
- Autumn is the season when morning and evening temperatures tend to drop compared to summer.
- The body lowers its deep body temperature when it goes to sleep, and this difference in temperature intensifies the "signals that make us sleepy ".
- On the other hand, many days are still warm during the day, which can easily disrupt the body's thermoregulation and make you feel sluggish.
Humidity drop affects drowsiness
- From the high humidity of summer, the humidity tends to drop all at once to 40-60% in autumn.
- When humidity drops, skin and mucous membranes become dry → oxygen uptake is subtly reduced.
- As a result, it is harder for enough oxygen to reach the brain, making it easier to feel "foggy" and "sleepy.
---.
Fall-specific "sleepiness-enhancing" factors
- Allergic reactions to fall pollen (ragweed, etc.) increase fatigue.
- Melatonin (sleep hormone) secretion is disturbed by the decrease in daylight hours.
- The cooler morning and evening temperatures deepen sleep rhythms, making you "sleepy whether you sleep or not.
--- (Japanese only)
How to wake up in a pleasant autumn
- When you wake up in the morning open the curtains and get some sunlight → reset your body clock.
- Before bedtime, take a warm bath to raise your deep body temperature, and the subsequent drop in body temperature will naturally bring on sleepiness.
- Use a humidifier or wet towels to keep the humidity at 40-50%**.
- Take light exercise (e.g., walking) during the day to promote oxygen circulation.
---Humidifier or wet towel
Conclusion
Sleepiness in autumn is not laziness, but a sign that the body is responding to natural changes in temperature, humidity, and sunlight. If you deal with it well, fall sleep is more of an opportunity to improve your quality of sleep.
Starting today, why don't you take advantage of the autumn weather and experience a "pleasant awakening"?
---...
👉Related articles are also recommended.