Sleep Quality in Medical Students; the Impact of Over-Use of Mobile Cell-Phone and Social Networks.
Mohammadbeigi A, Absari R, Valizadeh F, Saadati M, Sharifimoghadam S, Ahmadi A, Mokhtari M, Ansari H.
Mohammadbeigi A, et al.
J Res Health Sci. 2016 Winter;16(1):46-50.
J Res Health Sci. 2016.
PMID: 27061997
Free PMC article.
METHODS: This cross-sectional study was conducted on 380 undergraduate students selected by proportional stratified sampling in Qom, Iran in 2015. Data were collected by two standard questionnaire including Cell-Phone Over-Use Scale (COS) and Pittsburgh sleep quality quest …
METHODS: This cross-sectional study was conducted on 380 undergraduate students selected by proportional stratified sampling in Qom, Iran …