Warning: file_put_contents(): Only 0 of 26 bytes written, possibly out of free disk space in /var/www/ojs.unud.ac.id/lib/pkp/classes/cache/FileCache.inc.php on line 90 Sinta Febrina, Ni Made, Ayu Suarningsih, Ni Kadek, AND Nurhesti, Putu. " The Effect of Smartphone Addiction on Quality of Sleep Among Nursing Students in Medical Faculty Udayana University" Journal of A Sustainable Global South [Online], Volume 6 Number 2 (29 August 2022)