A 2021 study published in the online Jama magazine of the American Medical Association revealed the relationship between sleep duration and general mortality rate in adults in Japan, China, Singapore and Singapore andSouth Korea, in which both persistent sleep deprivation and too much sleep, leads to increased mortality rate, 7 hours is "optimal level" for sleep time.

In addition to the time you sleep, the time you sleep is also closely related to your health.In November 2021, researchers from Oxford University in the United Kingdom published a study in the European Cardiology Journal, a magazine of the European Heart Association showed that the Board showed the Board.On the night of 22: 00 ~ 22: 59 is the best time to go to sleep.Because sleeping from 22h to 22h59 may reduce the risk of heart disease, people who sleep at midnight or later have the highest risk.

Why do we have to sleep well?

The reason is very simple.A third of life for sleep.If you do not sleep well, the direct consequence is that your physical strength can not recover and your immunity becomes worse.Without sleeping well at night, you may feel depressed when you wake up the next day, not to mention the harmful effects of health due to prolonged sleep.

Sleeping bad sleep can also lead to endocrine disorders.Some vascular hormones in the body will secrete more.Under the effects of vasoconstriction hormones, blood pressure and heart rate increase over time, high blood pressure, coronary heart disease and diseases related to vascular accident.

Therefore, getting a good night's sleep is really important.

People with short lifespan often have 4 common features when sleeping

If you do not have these 4 characteristics, congratulations, you are in good health.

The first,People with short life often have a bad habit of staying up late

If you go to bed without going to bed, you still stay up late and have to stay up early in the morning to go to bed.Even if you wake up the next day very late and make sure you sleep time, doing so for a long time will still be harmful to health, as mentioned above in the study in the Journal of Cardiovascular Health.Europe shows that the best time to go to sleep is from 22 hours to 22 hours 59 minutes, you sleep too late, the risk of heart disease will increase.

Therefore, the best habit of working and rest is to go to bed early and get up early, instead of going to bed late late or going to bed late wake up early.

Monday,People who have a short life have a bad habit of drinking alcohol or snacks late at night before going to bed.

Many people like to go to bed after eating and drinking, but doing so has no health benefits, drinking alcohol before going to bed or snacking late at night will only increase the burden on the digestive tract.Going to bed when the abdomen is not good for digestion?Can I sleep well?It will only make you sleep without sleep, gradually it will be more likely to have disease.

Tuesday,People with short life often sleep too short or too long

As mentioned earlier, sleeping too short or too long is not good for health.If you sleep too short, you will feel listless and yawn when you wake up the next day.If you sleep too long, you will wake up the next day.During this time, your whole body will feel pain, swelling, you may even feel very tired and not relieved.

Wednesday,People with short life often smoke before going to bed.

Smoking before going to bed will definitely affect the quality of your sleep.Many studies have shown that the number of cigarettes that is smoked related to the time you spend sleep.As the number of cigarettes daily increases, the total sleep time tends to decrease.Tobacco increases when smoking, sleeping time is shortened by 5-8 minutes on average.

There are also studies showing that smoking will worsen the severity of sleep apnea, and sleep disorders will worsen cigarettes.Sleep disorders will cause poor sleep quality, shorten the total sleep time and increase the number of cigarettes to three times more than normal.The above amount.

Smoking before going to bed makes the bedroom full of smoke, do you think you can sleep well in such an environment?In addition, cigarettes also contain many toxic substances, including carbon monoxide, nicotine, tar, benzopyrene, nitrosamines ... These toxic substances are inhaled into the lungs and then absorbed into the blood also dangerous to health.

Source and photo: Healthline, aboluowang