The reliability and validity of the Korean version of the Pittsburgh Sleep Quality Index

The reliability and validity of the Korean version of the Epworth sleepiness scale

(2010) Yong Won Cho et al.   Sleep and Breathing

Validation of the Brazilian Portuguese version of the Pittsburgh Sleep Quality Index

(2010) Alessandra Naimaier Bertolazi et al.   SLEEP MEDICINE

Update on Sleep and Psychiatric Disorders

(2009) Michael J. Sateia   CHEST

Translating the Pittsburgh Sleep Quality Index Into Arabic

(2009) Khaled H. Suleiman et al.   WESTERN JOURNAL OF NURSING RESEARCH

Sleep in hospitalized medical patients, Part 1: Factors affecting sleep

(2008) Julie S. Young et al.   Journal of Hospital Medicine

Psychometric properties of the Persian version of the Pittsburgh Sleep Quality Index addendum for PTSD (PSQI-A)

(2008) Jeiran Farrahi et al.   Sleep and Breathing