Today’s Sleepy Teens May Be Tomorrow’s Heart Patients

*The following is excerpted from an online article posted on HealthDay.

Most kids don’t get enough sleep, and that may put them on a path to future heart trouble, a new study finds.

Young teens who slept less than seven hours a night tended to have more body fat, elevated blood pressure and less healthy cholesterol levels — all bad for the heart, researchers say.

Heart disease remains a leading killer, said lead researcher Elizabeth Cespedes Feliciano. She’s a staff scientist with the Kaiser Permanente Northern California Division of Research in Oakland, Calif.

“We really want our youth to be on a healthy trajectory,” Feliciano said, “and it’s a little alarming you would see adverse cardiometabolic profiles emerging even at an age as young as 13.”

But it seems that very few kids are getting the kind of nightly slumber that would protect their future heart health.

Average sleep duration for kids in the study was only a little over seven hours per day, researchers found.

In fact, only 2.2 percent of the kids met or exceeded the average recommended sleep duration for their age group — nine hours per day for kids 11 to 13 and eight hours per day for teens 14 to 17.

Further, nearly a third of kids slept less than seven hours.

“I was really struck by how little these adolescents are sleeping,” said Dr. Andrew Varga, a sleep medicine specialist with the Icahn School of Medicine at Mount Sinai in New York City. “It’s not totally surprising, given what I know about kids and their habits, but you would think there would be some drive for these kids to sleep more because they have a high sleep need.”

Prior studies have shown that inadequate sleep boosts the odds for obesity. But Feliciano’s team wanted to see whether a lack of sleep also affects other heart disease factors for kids.

So, they turned to 829 teenagers participating in Project Viva, a long-term study that recruited pregnant moms and has tracked them and their children for nearly 14 years.

At an average age of 13, the kids were asked to put on a wrist-worn movement sensor at bedtime that would track both their duration of sleep and whether they had restless sleep, Feliciano said.

The kids wore the sensors of seven to 10 days. They also underwent a series of screenings for heart health risk factors.

Teens with shorter sleep duration and more restless sleep wound up having the least healthy profiles. They had wider waist circumference, increased body fat, higher blood pressure, and lower levels of “good” HDL cholesterol.

Although cause-and-effect couldn’t be shown in this stuidy, Feliciano believes the lack of good sleep did help trigger these risk factors, given prior research.

The study was published June 15 in the journal Pediatrics.

Source: HealthDay

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[reposted by] Jim Liebelt

Jim is Senior Writer, Editor and Researcher for HomeWord. Jim has 40 years of experience as a youth and family ministry specialist, having served over the years as a pastor, author, consultant, mentor, trainer, college instructor, and speaker. Jim’s HomeWord culture blog also appears on and Jim and his wife Jenny live in Quincy, MA.

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