title: Sleep quality, daytime sleepiness and health-related quality-of-life in maintenance haemodialysis patients.
abstract: OBJECTIVE
  To assess the relationship between sleep quality, daytime sleepiness and health-related quality-of-life (HRQoL) in Chinese patients undergoing maintenance haemodialysis (MHD).
  
  
  METHODS
  This cross-sectional study enrolled patients undergoing MHD. Self-reported sleep quality (Pittsburgh Sleep Quality Index [PSQI]), daytime sleepiness (Epworth Sleepiness Scale [ESS]) and HRQoL (36-item Short Form [SF-36]) were recorded for all patients.
  
  
  RESULTS
  Sixty eight patients (mean ± SD age = 61.75 ± 16.56 years; 43 male/25 female) who regularly received MHD were included. The prevalence of poor sleepers was 69.1% (47/68) and daytime sleepiness was 11.8% (eight of 68). Poor sleepers had a significantly lower Physical Component Scale (PCS) score, Mental Component Scale (MCS) score and total SF-36 score than good sleepers. The PSQI score correlated inversely with both the PCS and MCS scores and correlated positively with age. Independent variables associated with total SF-36 score were duration of MHD, ESS score and PSQI score.
  
  
  CONCLUSIONS
  Poor sleep quality is a common and severe issue for MHD patients in east China. Both sleep quality and daytime sleepiness were associated with lower HRQoL scores.
authors.affiliation: Department of Nephrology, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang Province, China.
authors.forename: Quanquan
authors.initials: Q
authors.lastname: Shen
authors.affiliation: Department of Nephrology, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang Province, China.
authors.forename: Xiaohong
authors.initials: X
authors.lastname: Huang
authors.affiliation: Department of Nephrology, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang Province, China.
authors.forename: Zhaofen
authors.initials: Z
authors.lastname: Luo
authors.affiliation: Department of Nephrology, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang Province, China.
authors.forename: Xiujun
authors.initials: X
authors.lastname: Xu
authors.affiliation: Department of Nephrology, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang Province, China.
authors.forename: Xiang
authors.initials: X
authors.lastname: Zhao
authors.affiliation: Department of Nephrology, Zhejiang Provincial People's Hospital, Hangzhou, Zhejiang Province, China 3139747121@qq.com.
authors.forename: Qiang
authors.initials: Q
authors.lastname: He
mesh_terms: D003710:Demography; D005260:Female; D006262:Health; D006801:Humans; D016014:Linear Models; D008297:Male; D008875:Middle Aged; D011788:Quality of Life; D006435:Renal Dialysis; D012890:Sleep
keywords: Health-related quality-of-life; daytime sleepiness; end-stage renal disease; poor sleep quality