People who take more than 30 minutes to sleep have a higher risk of death up to twice as much as those who do not.
The researchers defined the time it took for subjects to fall asleep as a "sleep incubation period." In addition,
-If one or two cases of not falling asleep within 30 minutes based on 16 to 30 minutes for a month, it was divided into an "intermittent delay group"
-a "habitual delay group" that did not fall asleep within 60 minutes or more than three times a week.
Comparing the risk of death in the two groups with the sleep-prone group, the risk of death in the intermittent delay group and the habitual delay group was 1.33 times and 2.22 times higher, respectively. This is the result of considering all variables such as demographic characteristics, physical characteristics, lifestyle, and chronic diseases.
In particular, in the case of habitual delay groups, the risk of dying from cancer was 2.74 times higher.
The prolonged sleep incubation period can be caused by various causes such as insomnia, depression, and drug use. The researchers explain that the resulting hyperacute response, chronic stress response, and inflammatory rebound can play a role in increasing the researchers explained.
In addition, prolonged sleep incubation periods, which cannot continue to fall asleep, can lead to a lack of melatonin, a sleep rhythm-regulating biohormone secreted by the brain, which can be a potential factor in increasing the risk of death from cancer.
The researchers said, "In the case of adults, if the sleep incubation period, which is usually 10 to 20 minutes, is habitually delayed, the sleep cycle is not stable, which can increase the risk of death and cancer as well as chronic sleep disorders."
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