fa عمومى General پژوهشي Research Background:Patientshospitalizedincriticalcareunitsareatriskfordevelopingdifferenthealthproblemssuchassleepdisorders. Detectionofsleepdisordersisveryimportantandneedstheappropriatetools.Thisstudywasaimedtodeterminethepsychometric propertiesof RichardCampbellsleepquestionnaire. Methods:Thismethodologicalstudywasconductedinthecardiacsurgeryintensivecareunit(CICU)ofMilitaryHospitalofTehran in 2016. A standard translation of the questionnaire was provided, and face and content validity of the questionnaire were qualitatively evaluated by the main users (patients) and experts, respectively. Reliability of the questionnaire was determined using Inter-raterreliabilityandinternalconsistency. Inthisstudy,100patientswhomettheinclusioncriteriawereselectedusingconveniencesamplingmethod. Onthe2ndand3rddayafterthehospitalization, qualityof theirpastnight&rsquo;ssleepwasmeasuredusing thequestionnaire. Results: The face and content validity of the questionnaire were qualitatively at desired level. The reliability of the questionnaire throughinter-ratercorrelationcoefficientandtheCronbach&rsquo;salphavaluewere0.714(P< 0.0001)and0.906,respectively. Conclusions: Accordingtotheresults,RichardCampbellsleepquestionnaireisasimplevalidatedinstrumentthatcanbeusedby healthcareproviderssuchasnursestomeasurethequalityof sleepinpatientsincardiacsurgeryintensivecareunit(CICU).<br> Keywords: Sleep,IntensiveCareUnit,Psychometrics,RichardCampbellSleepQuestionnaire 1 5 http://jccnursing.com/browse.php?a_code=A-10-1-5&slc_lang=fa&sid=1 Ahmadali Amirifar 10031947532846001751 10031947532846001751 No Abolfazl Rahimi 10031947532846001752 10031947532846001752 Yes Fakhrudin Faizi 10031947532846001753 10031947532846001753 No Masoud Siratinir 10031947532846001754 10031947532846001754 No