Promoting Sleep by Nursing Interventions in Health Care Settings: A Systematic Review

Abstract
Background: Sleep disturbances are a common problem among individuals in hospitals and institutions. Although several studies have explored this phenomenon, there is still a lack of knowledge about the effectiveness of sleep-promoting nursing interventions. This systematic review aims to describe and evaluate the effectiveness of sleep-promoting nursing interventions in health care settings. Design: A systematic review was performed. Method: In June 2009, a literature search was carried out in the following databases: Academic Search Elite, CINAHL, the Cochrane Library and MedLine/PubMed. Fifty-two references were identified and after critical appraisal nine studies were selected. A compilation of the results and the outcomes of the interventions were carried out. Further, the evidence strength of the interventions was assessed. Findings: Evidence for the nursing interventions sleep hygiene, music, natural sound and vision, stimulation of acupoints, relaxation, massage and aromatherapy, is found to be low or very low. Still large effects of interventions where found when using massage, acupuncture and music, natural sounds or music videos. The use of sleep hygiene and relaxation on the other hand showed only small effects. Conclusion: The paucity of studies implies that the confidence in the effects shown, and the lack of high evidence strength for many nursing interventions, most certain will change if further studies are carried out. The uncertainty about the effects calls for more research before implementing the interventions into clinical practice