Difference of Sleep Pattern between Ward and Outpatient Clinic Nurses in Haji Adam Malik Hospital Medan
Rambe, Aldy S.
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Background and Objective: Sleep and wake have a cycle known as circadian rhythm. Characteristic of human circadian system is activity in daytime and sleep in night time. Sixty to seventy percent of night shift workers had experienced sleep disturbance. The objective of this study is to determine the difference of sleep pattern between ward and outpatient nurses at Haji Adam Malik Hospital Medan. Methods: A cross sectional study, conducted in Haji Adam Malik Hospital Medan between January–April 2005. Sample was taken randomly, consisted of 120 nurses of ward and 62 nurses of outpatient clinic at Haji Adam Malik Hospital Medan. Chi-Square test was used for statistical analysis. Results: Sixty nurses (50.4%) of the ward had sleep time less than 6 hours. Sleep latent period over 30 minutes was found in 16 nurses (13.4%) and day time sleepiness was found in 90 nurses (75.0%). While in outpatients clinic, 26 nurses had sleep time less than 6 hours(41.3%), 3 nurses had sleep latent period more than 30 minutes (4.8%) and 43 nurses had daytime sleepiness (69.4). Conclusions: There is no significant difference of sleep pattern between nurses in ward and outpatient clinics at Haji Adam Malik Hospital Medan.