Children and adolescents who do not sleep enough are more likely to become obese and have other health problems, but new surveys suggest that sleep time can be as important as the total time of sleep.
in the Australian study, older children and teenagers who went to the most recent bed and woke up latest were more likely to gain weight than those who went to bed earlier and reached earlier, although the Total moments of sleep for the two groups were practically the same.
Current thinking in sleeping medicine is that teenagers tend to be biologically hardwired to have sleep and awake later.
Although this may be the case, the new research suggests that Ben Franklin 'proverb "early to bed and early to climb ..." It may be true for teenagers, as well as younger children and adults.
"Later, sleep and wake times were associated with unfavorable standards of activity and health outcomes in our study," "Researcher Carol Maher, PhD, from the University of South Australia, Says Webmd. "While teenagers can naturally stay up late and agree later, the results of this study can remain as a warning that this sleep pattern can have negative consequences."
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The study included 2,200 children and Australian adolescents between the ages of 9 and 16 enrolled in a major health study that required them to record in Details Your activities - including sleep and wake times - in the previous two days on two different occasions (four days in total).
Because older children tend to have later sleep / wake times than the younger ones, and boys tend to get up and go to sleep later than the girls, the bed times and awaken They were adjusted by age and sex.
Children were placed in one of four groups, based on their responses:
Children and adolescents in the late / late group and those at the beginning / first group each has about 9 1 / 2 hours of sleep on each day reminded, while the early bed / late risers are about an hour more and the bed late / those that get up early is about an hour less.
Those who woke up and went to bed late were 1.5 times more likely to be obese than those who woke up and went to bed early.
Among the other discoveries:
It is not clear from the study if going to bed and waking up earlier, caused children to exercise more, eat less and Usually healthier lifestyles.
It may be that children who are more physically active went to sleep earlier every day, because they were numb and that they got up early to know the athletic schedules, says Maher.
Similarly, more sedentary children and teenagers may be less tired at night and those who prefer TV and sports video games can be up to attend favorite shows or get involved in more screen time .
"Our findings are really food to think," she says. "We tend to focus only on sleep duration. This study suggests that the moment of sleep can be as important or even more important."
Pediatric sleep specialist in William Kohler, MD, medical director of the Institute of Sleeping from Florida, in Tampa, says the new research ensures further research on the importance of sleep time.
It says that as adults, natural sleep cycles in older children and adolescents may be more variable than it was realized.
", while most teenagers can have a natural tendency to go to bed and wake up later, there may be a subset whose natural clock is earlier," he says. "But this does not change the message that the amount of sleep as well as the quality of sleep are important for good health."
