Early bedtime may keep teens' away from depression, suicidal thoughts

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Washington, June 10 (ANI): Teens whose parents pack them off to bed early are less likely to become depressed or have suicidal thoughts than their peers who stay up much later, a new study shows.

James Gangwisch, PhD, of Columbia University in New York, and colleagues examined data from 15,659 adolescents.

They found that a total of 1,143 teens suffered from depression and 2,038 had suicidal thoughts.

Their study showed that adolescents with parental-mandated bedtimes at midnight or later were 25 percent more likely to suffer from depression and 20 percent more likely to have suicidal ideation compared with adolescents who had parental-mandated bedtimes of 10 p.m. or earlier.

"It is a common perception and societal expectation that adolescents do not need as much sleep as preadolescents, yet studies suggests that adolescents may actually require more sleep," said Gangwisch.

"Studies have found that adolescents do not go to bed early enough to compensate for earlier school start times, and transitions to earlier school start times have been shown to be associated with significant sleep deprivation," he added.

Gangwisch said that the study supports the argument that inadequate sleep could lead to depression.

"Adolescents with later parental-mandated bedtimes went to bed later, got less sleep, and were less likely to get enough sleep. Short sleep duration explained the relationship between parental-mandated bedtimes and depression, functioning as a risk factor for depression and suicidal ideation," he said.

The study has been presented at SLEEP 2009, the 23rd Annual Meeting of the Associated Professional Sleep Societies. (ANI)

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