Sleep quality is an important predictor of healthy status,quality of life and life span. Sleeping problems affect 50%~80% in hemodialysis patients. Sleep quality and related factors research in hemodialysis patients has been discussed and studied globally. Previous studies show insomnia, excessive daytime sleepiness(EDS), sleep apnea syndrome(SAS), restless legs syndrome(RLS) are major causes of poor sleep quality . There is few data to show the influential factors related to sleep quality in Taiwanese hemodialysis patients.

This study will be a cross-sectional design with purposive sample from 2 different dialysis medical centers in Taipei. Two hundred hemodialysis patients meeting inclusion criteria will be recruited.

Inclusion Criteria:

• Hemodialysis patient whose age ≧ 20 years old and conscious clear.
• ICD9：585.6
• Every week receives two or three convention hemodialysis treatment above three months.
• May communication with Mandarin or Taiwanese language.
• Patient or caregiver is willing to participate study and sign the inform consent.

Exclusion Criteria:

• Hospitalized hemodialysis patient in recently one month.
• Hemodialysis patient had conscious disturbance, blind or dementia.
• Hemodialysis Patient refuse to interview or fill out questionnaires.

Hemodialysis Patients