Use a Google Scholar search to find research-level articles and studies:
Use the regular Google search for more general information:
Sleep patterns
“sleep patterns in other countries”
“sleep patterns or sleep quality other countries”
Sleep quality
Sleep deprivation/deprived
OR sleep disturbance or reduced sleep or sleep loss or lack of sleep
+ effects, + health, + mental health
Sleep disorders
Sleep hygiene
Sleep AND: mental health/health, academic performance/learning, memory, stress, depression, dreams, adolescents/teenagers/teens, digital media/phones
How Are Adolescents Sleeping? Adolescent Sleep Patterns and Sociodemographic Differences in 24 European and North American Countries https://doi.org/10.1016/j.jadohealth.2020.03.013
Sleep Patterns and Problems Among Chinese Adolescents. https://search.ebscohost.com/login.aspx?direct=true&db=hxh&AN=32616422&site=ehost-live
The Relationship Between Reported Sleep Quality and Sleep Hygiene in Italian and American Adolescents. https://search.ebscohost.com/login.aspx?direct=true&db=hxh&AN=15390966&site=ehost-live
Considering cross-cultural differences in sleep duration between Japanese and Canadian university students https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0250671
The Connection Between Animal and Human Sleep https://www.sleepfoundation.org/animals-and-sleep/connection-between-human-and-animal-sleep#:~:text=than%20the%20risks.-,How%20Long%20Do%20Other%20Animals%20Sleep%20Compared%20to%20Humans%3F,animals%20require%20much%20more%20sleep
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