March 21st is World Sleep Day. Perhaps, you are suffering from these sleep problems: sleepy but not wanting to sleep, staying up late and unable to quit, wanting to sleep but not falling asleep...
Experts suggest that everyone should go to bed between 10:00 and 11:00, no more than 12:00 at the latest, and the sleep time should preferably be maintained at 7 to 8 hours. According to experts, sleeping less than 6 hours a night for a week will lead to changes in more than 700 genes in the body. Long-term lack of sleep can even increase the risk of cardiovascular and cerebrovascular diseases, depression, diabetes, and obesity.
In medicine, the definition of staying up late is controversial, but from the perspective of biological rhythm and endocrine, it is generally believed that staying up after 23 o'clock is considered to be staying up late.
The study showed that women who slept less than 5 hours a day had a 36% increased risk of colon cancer compared with those who slept 7-7.5 hours a day; men who slept less than 6.5 hours had a 112% increased risk of lung cancer.