Published on in Vol 8, No 9 (2021): September
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/26273, first published
.
![Associations Between Social Media, Bedtime Technology Use Rules, and Daytime Sleepiness Among Adolescents: Cross-sectional Findings From a Nationally Representative Sample Associations Between Social Media, Bedtime Technology Use Rules, and Daytime Sleepiness Among Adolescents: Cross-sectional Findings From a Nationally Representative Sample](https://asset.jmir.pub/assets/7a0e5f6582203c176bedd4e4c98d5270.png 480w,https://asset.jmir.pub/assets/7a0e5f6582203c176bedd4e4c98d5270.png 960w,https://asset.jmir.pub/assets/7a0e5f6582203c176bedd4e4c98d5270.png 1920w,https://asset.jmir.pub/assets/7a0e5f6582203c176bedd4e4c98d5270.png 2500w)
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