490
According to the expert, an afternoon nap lasting more than half an hour can signal dangerous diseases. A healthy person sleeps through the night and has no need for daytime rest. As noted by an expert, people who need a long sleep experience sluggishness throughout the day, which means they are likely to have a sedentary lifestyle.
Sleeping in the afternoon disrupts natural rhythms, which can cause a person to take a long time to fall asleep and experience sleep disorders. This is fraught with health problems and reduced life expectancy.