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Abstract
This study examined how social media use related to sleep quality, self-esteem, anxiety
and depression in 467 Scottish adolescents. We measured overall social media use,
nighttime-specific social media use, emotional investment in social media, sleep quality,
self-esteem and levels of anxiety and depression. Adolescents who used social media
more - both overall and at night - and those who were more emotionally invested in
social media experienced poorer sleep quality, lower self-esteem and higher levels
of anxiety and depression. Nighttime-specific social media use predicted poorer sleep
quality after controlling for anxiety, depression and self-esteem. These findings
contribute to the growing body of evidence that social media use is related to various
aspects of wellbeing in adolescents. In addition, our results indicate that nighttime-specific
social media use and emotional investment in social media are two important factors
that merit further investigation in relation to adolescent sleep and wellbeing.