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Original Research
A randomized controlled trial of the effects of listening to non-commercial music on quality of nocturnal sleep and relaxation indices in patients in medical intensive care unit
Article first published online: 29 AUG 2012
DOI: 10.1111/j.1365-2648.2012.06130.x
© 2012 Blackwell Publishing Ltd
Additional Information
How to Cite
, , , , & (2013) A randomized controlled trial of the effects of listening to non-commercial music on quality of nocturnal sleep and relaxation indices in patients in medical intensive care unit. Journal of Advanced Nursing 69(6), 1377–1389. doi: 10.1111/j.1365-2648.2012.06130.x
Publication History
- Issue published online: 10 APR 2013
- Article first published online: 29 AUG 2012
- Manuscript Accepted: 21 JUL 2012
Funded by
- Buddhist Tzu Chi General Hospital
- Abstract
- Article
- References
- Cited By
Keywords:
- critical care;
- heart rate;
- mean arterial pressure;
- music;
- nursing;
- polysomnography;
- sleep stage
Abstract
Aim
The purpose was to examine the effects of non-commercial music on quality of sleep and relaxation indices, including heart rate, mean arterial pressure, and respiratory rate in patients in intensive care units.
Background
There is currently insufficient scientific knowledge for the effects of music on quality of sleep in critically ill patients.
Design
A randomized controlled trial.
Methods
Between January–December 2010, 28 patients aged 39–78 years were randomly assigned to music and control groups. Participants in the music groups listened to non-commercial music for 45 minutes at nocturnal sleep time. In the control group, participants slept with no music. Participants were assessed using vital signs monitors, standardized questionnaire, and polysomnography. Polysomnography sleep was recorded for the first 2 hours of the nocturnal sleep. General estimating equation was applied to analyse data.
Findings
Participants in the music group had shorter stage N2 sleep and longer stage N3 sleep in the first 2 hours of the nocturnal sleep and improved self-reported sleep quality, compared with those in the control group. The music group patients also had significantly lower heart rates than those in the control group. The intensive care units patients experienced fragmented sleep with a high frequency of awakenings and severe reduction in random eye movement sleep during the first 2 hours of the nocturnal sleep.
Conclusion
The findings provided evidence for nurses to use soothing music as a research-based nursing intervention for intensive care unit patients' sleep improvement.