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SYDNEY, Jan. 30 (Xinhua) – Genetics could determine whether you are a morning or nocturnal bird, with a new international study released Wednesday that identifies 327 new genes badociated with a person's sleep time or chronotype.
Initially, the team, which included scientists from the University of Queensland (UQ) in Australia, badyzed genetic variations in a total of 697,828 people based on their stated preference for the mornings.
Their badysis increased the number of known genetic loci badociated with the chronotype from 24 to 351.
The study also badyzed 85,000 people with the help of wrist-based activity monitors, confirming that the desire to sleep or get up in the morning is of genetic origin.
According to the author of the study, Dr. Enda Byrne of the UQ, this does not mean that our habits can not and do not change.
"Studies estimate that between 12 and 42% of the variance is attributable to genes and this study specifically looked at the genetic component," Bryne said.
Byrne also noted that chronotypes change naturally over time, although dramatic changes are probably not possible.
"Adolescents and young adults tend to be oriented towards late chronotypes (they go to bed and get up later), but then return to older models with age," he says. declared.
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