RAND study finds association between teen sleep patterns and alcohol or marijuana use
2015-05-18
(Press-News.org) Adolescents who sleep less or stay up later are significantly more likely to have used alcohol and marijuana over the past month when compared to their peers who report better sleep patterns, according to a new RAND Corporation study.
Studying adolescents in Southern California, researchers found that the association between sleep and alcohol/marijuana use was consistent even after controlling for other known risk factors, such as depression.
The findings, published online by the journal Sleep Health, were generally consistent across racial and ethnic groups.
"Our findings suggest that sleep issues are independently associated with alcohol and marijuana use for teens, not just a marker for other risk factors, such as depression," said Wendy Troxel, the study's lead author and a behavioral scientist at RAND, a nonprofit research organization. "Better understanding of the association between sleep and substance use is important for parents, schools and others involved in alcohol and drug prevention efforts for this age group."
The teenagers in the study were originally recruited from 16 middle schools across three school districts in Southern California. There was a total of 2,539 teens who self-reported their total sleep time and bedtime via a single assessment Web survey, as well as alcohol or marijuana use, when the teens were in high school. The surveys were completed between May 2013 and April 2014.
The research team cautions that although the findings show an association between sleep and the use of alcohol and marijuana, it is not possible to determine cause from effect without additional research. The RAND team is currently collecting long-term research data to study whether sleep problems predict or lead to the onset of alcohol and/or marijuana use in teens.
Regarding sleep more generally among adolescents, RAND researchers suggest that both individual-level prevention strategies as well as policy-level strategies are needed to improve adolescent sleep. For example, policy-level strategies include recent efforts to delay high school start times, an approach that has been recommended by the American Academy of Pediatrics and other professional organizations.
INFORMATION:
Support for the study was provided by the National Institute of Alcohol Abuse and Alcoholism. Other authors of the study are Brett Ewing and Elizabeth J. D'Amico.
RAND Health is the nation's largest independent health policy research program, with a broad research portfolio that focuses on health care costs, quality and public health preparedness, among other topics.
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[Press-News.org] RAND study finds association between teen sleep patterns and alcohol or marijuana use
