Scientists from the University of Michigan conducted a study of the daily routine, using mathematical modeling, mobile applications and big data. Purpose – to find out the ratio of biological and social factors in the establishment of sleep and wakefulness. With the study can be found in the journal Science Advanced.
Information about the thousands of people from 100 countries have been used in the study. The researchers took into account age, sex and country of origin of the human subject.
The study found that cultural attitudes may be more biological rhythms that significantly affects how much a person goes to bed. Morning duties affect the recovery time, but do not define it completely. “We found a strong influence on the time of awakening human biological clock, not the alarm clock” – says Daniel Fordzher University of Michigan
A few years ago Fordzher and his colleague Olivia Walch launched a mobile app that helps travelers adjust. to the change of time zones. Users enter data about their normal sleep mode, and this data is anonymously sent to scientists
The study of these data showed that the average duration of sleep varies across countries. 7 hrs 24 minutes the residents of Singapore and Japan up to 8 hours 18 minutes from the residents of the Netherlands. The researchers note that even extra half hour of sleep significantly affect the state of health in general.
In addition, the researchers found that the least sleep middle-aged men, women sleep more than men, on average, for 30 minutes – they are a little early fall and get up later. People spend a lot of time on the street, go to sleep earlier and longer than those usually found in the room.
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