6Kent R G,Uchino B N,CribbetM R,et al.Social Relationshipsand Sleep Quality[J].Annals of Behavioral Medicine,2015:1-6.
7Ozcan NK,Buzlu S.Internet use and its relation with the psychosocialsituation for a sample of university students.Cyber Psychology& Behavior,2007,10:767-72.
8Ni X,Yan H,Chen S,et al.Factors influencing internet addictionin a sample of freshmen university students in China [J].Cyberpsychology& behavior,2009,12(3):327-330.