Neither too little sleep nor too much sleep. The latest research shows the risks of sleep.

【Sleeping Too Much, Too Little: More Than 9 Hours of Sleep Found to Damage Brain】
https://nazology.net/archives/144340

 

・Yale School of Medicine (YSM), in a study of approximately 40,000 people in their 40s to 60s, found that those who sleep suboptimally are at increased risk of developing stroke and dementia later in life

・Suboptimal sleep” is defined as less than 7 or more than 9 hours per night.

・The team explained that subjects who slept too short or too long were suffering from silent brain injury, a condition recognized as a predictor of stroke and dementia.

 

 

The above is a quote from the article

 

 

 



 

 

Importance of Sleep Time

 

When we (Japanese) think of sleep disorders, we (Japanese) immediately think of sleep deprivation, but apparently too much sleep is not good either.

 

Less than 7 hours of sleep increases risk of brain disease due to lack of sleep

More than 9 hours increases risk of brain disease due to oversleeping

 

Although the subjects are British, I feel that this applies to us Japanese as well.

 

In fact, I try to get 7.5 to 8 hours of sleep every day and I feel great. (Whether or not I will develop dementia remains to be seen.)

 

【The average Japanese sleeps 5 hours and 52 minutes, the “shortest” in the world.】
https://times.abema.tv/articles/-/10112780?page=1

 

Pokémon Sleep is a sleep game application that we hear a lot about these days.

It is a game in which you collect Pokémon sleeping faces as you sleep, and is expected to have the effect of making sleeping more enjoyable.

According to the results of a survey of this game used around the world, in seven major countries, the average duration of sleep for Japanese people is the shortest, 5 hours and 52 minutes. (The other six countries are all in the six-hour range.)

 

The above study took naps into account, but I am wondering what the results of the Pokémon sleep study are for naps. Still, the 5-hour range is short, isn’t it?

 

Considering the brain disease risk in the above study,

Japan (Japanese people) with short sleep time and lack of sleep may become a country full of brain disease patients in the future.

 

In Japan, where the decline in the productive population is accelerating and the efforts of the middle-aged and older population will become more important in the future, this risk due to lack of sleep is quite worrisome. (Now that’s a funny imagination, but it could be pretty seriously scary.)

 

To improve the current production efficiency,

To improve the production efficiency of future middle-aged and older workers,

I think we, as a country, might want to do something about sleep.

 

I was thinking in such an exaggerated way.

 

Of course, the data above are statistics,

Each individual’s proper sleep time is different.

 

It is very important to know the proper amount of sleep for you, and to make sure that you are getting enough sleep.

 

Since it is approximately 1/3 or 1/4 of our lives, we should place more and more importance on sleep.

 

See you then

 

The episode in which Shigeru Mizuki told Osamu Tezuka and Shotaro Ishinomori, who stayed up all night long, that “I sleep ten hours no matter how busy I am,” and “Don’t make fun of sleep,” and “You will live as long as the hours you sleep. Happiness also comes from the power of sleep. Tezuka and Ishinomori passed away at the age of 60. Mizuki lived to be 93 years old. Considering this episode, perhaps too much sleep is still better than not enough sleep. LOL!

 

 

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