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Short Sleep Duration Linked To Overweight Condition And Behavioral Problems In Children

Date:
January 5, 2008
Source:
American Academy of Sleep Medicine
Summary:
The duration of a child's sleep can vary, depending on the time of day, week and year. Further, children who don't get enough nightly sleep are more likely to be overweight and have behavioral problems.

The duration of a child's sleep can vary, depending on the time of day, week and year. Further, children who don't get enough nightly sleep are more likely to be overweight and have behavioral problems.

The study, authored by Professor Ed Mitchell, of the University of Auckland in New Zealand, focused on 591 seven-year-old children whose sleep duration was assessed by actigraphy (a non-invasive method used to study sleep-wake patterns and circadian rhythms by assessing movement) at four different stages of their young lives: at birth, at one year, at three-and-a-half years and at seven years.

According to the results, the average time spent in bed was 10.1 hours. Sleep duration was shorter:

  • On weekends than on weekdays.
  • In the summer, compared with spring, autumn and winter.
  • In those with no younger siblings.
  • When bedtime was after 9:00 p.m.

Children who slept less than nine hours were more likely to be overweight or obese and to have a 3.34 percent increase in body fat than those who slept for more than nine hours. Short sleep duration was also associated with higher emotional liability scores.

"Sleep is important for health and well-being throughout life," said Professor Mitchell. "Few studies have objectively measured sleep duration. In this large study of sleep in seven-year-olds, there was considerable variation in duration of sleep. Sleep duration was 40 minutes longer in winter than summer and was 31 minutes longer on weekdays than on the weekend. Short sleep duration was associated with a three-fold increased risk of the child being overweight or obese. This effect was independent of physical activity or television watching. Attention to sleep in childhood may be an important strategy to reduce the obesity epidemic."

It is recommended that children in pre-school sleep between 11-13 hours a night and school-aged children between 10-11 hours of sleep a night.

The American Academy of Sleep Medicine offers some tips to help your child sleep better:

  • Follow a consistent bedtime routine. Set aside 10 to 30 minutes to get your child ready to go to sleep each night.
  • Establish a relaxing setting at bedtime.
  • Interact with your child at bedtime. Don't let the TV, computer or video games take your place.
  • Keep your children from TV programs, movies, and video games that are not right for their age.
  • Do not let your child fall asleep while being held, rocked, fed a bottle, or while nursing.
  • At bedtime, do not allow your child to have foods or drinks that contain caffeine. This includes chocolate and sodas. Try not to give him or her any medicine that has a stimulant at bedtime. This includes cough medicines and decongestants.

It is important to make sure that your child gets enough sleep and sleeps well. The value of sleep can be measured by your child's smiling face, happy nature and natural energy. A tired child may have development or behavior problems. A child's sleep problems can also cause unnecessary stress for you and the other members of your family.

Parents who suspect that their child might be suffering from a sleep disorder are encouraged to consult with their child's pediatrician or a sleep specialist.

The article entitled, "Short Sleep Duration in Middle Childhood: Risk Factors and Consequences," was published in the January 1 issue of the journal Sleep.


Story Source:

The above story is based on materials provided by American Academy of Sleep Medicine. Note: Materials may be edited for content and length.


Cite This Page:

American Academy of Sleep Medicine. "Short Sleep Duration Linked To Overweight Condition And Behavioral Problems In Children." ScienceDaily. ScienceDaily, 5 January 2008. <www.sciencedaily.com/releases/2008/01/080101093849.htm>.
American Academy of Sleep Medicine. (2008, January 5). Short Sleep Duration Linked To Overweight Condition And Behavioral Problems In Children. ScienceDaily. Retrieved September 19, 2014 from www.sciencedaily.com/releases/2008/01/080101093849.htm
American Academy of Sleep Medicine. "Short Sleep Duration Linked To Overweight Condition And Behavioral Problems In Children." ScienceDaily. www.sciencedaily.com/releases/2008/01/080101093849.htm (accessed September 19, 2014).

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