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Summary | 12 Annotations
Outdoor light linked with teens’ sleep and mental health
2020/07/08 22:13
esearch shows that adolescents who live in areas that have high levels of artificial light at night tend to get less sleep and are more likely to have a mood disorder relative to teens who live in areas with low levels of night-time ligh
2020/07/08 22:13
Daily rhythms, including the circadian rhythms that drive our sleep-wake cycles, are thought to be important factors that contribute to physical and mental health.
2020/07/08 22:14
The presence of artificial light at night can disrupt these rhythms
2020/07/08 22:14
As part of in-person interviews for the NCS-A, the adolescents completed a validated assessment to determine whether they met the diagnostic criteria for various mental disorders
2020/07/08 22:14
As expected, levels of artificial light at night varied according to certain neighborhood-level factors, such as urbanicity, socioeconomic levels, and population density.
2020/07/08 22:14
Importantly, teens who lived in areas with high levels of artificial light at night tended to report later weeknight bedtimes and shorter weeknight sleep duration
2020/07/08 22:15
The analyses showed that, on average, teens in areas with the highest levels of outdoor light went to bed about 29 minutes later and got 11 fewer minutes of sleep than did teens in areas with the lowest levels.
2020/07/08 22:15
The data showed that greater levels of artificial light at night were also associated with increased likelihood of having a mood disorder or anxiety disorder
2020/07/08 22:15
Specifically, teens who lived in areas with higher levels of artificial light at night were more likely to meet the diagnostic criteria for bipolar disorder or specific phobia.
2020/07/08 22:15
disruptions to sleep and circadian rhythms is a well-documented feature of certain mental disorders, including bipolar disorde
2020/07/08 22:15
indicating that teens who belong to racial/ethnic minority groups, who come from immigrant families, or who come from families with lower income are more likely to live in areas with high levels of outdoor light at night
2020/07/08 22:15