New research shows that teens who stay up late or sleep less are more likely to have used alcohol and drugs recently than those who haven’t.
Researchers at the RAND Corporation surveyed more than 2,500 teenagers from Southern California. The teens self-reported their total sleep time and bedtime, as well as alcohol or marijuana use. The surveys were completed between May 2013 and April 2014.
The researchers found that the association between sleep and alcohol or marijuana use was consistent even after controlling for other known risk factors, such as depression. The findings were also generally consistent across racial and ethnic groups.
The scientists caution that while 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 findings were published in the journal Sleep Health
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