Non-pharmacologic interventions to improve the sleep of hospitalized patients: A systematic review

Ruth Tamrat, Minh Phuong Huynh-Le, Madhav Goyal

Research output: Contribution to journalArticle

Abstract

OBJECTIVES: Despite the known adverse effects of sleep deprivation on recovery from illness, studies have shown that sleep deprivation remains an incompletely addressed problem among acutely ill inpatients. Behavioral interventions are recommended as first-line therapy prior to using pharmacologic therapy due to the side effects of sedative hypnotics. The objective of this systematic review was to identify non-pharmacologic interventions that have been used to improve sleep quality and quantity of non-intensive care unit (ICU) inpatients. DATA SOURCES: PubMed, Embase, Web of Science, CINAHL, and Cochrane Library through January 2013; manual searches of reference lists. STUDY ELIGIBILITY CRITERIA, PARTICIPANTS, INTERVENTIONS: Any study in which a non-pharmacologic intervention was conducted in a general inpatient setting, and nighttime sleep quantity or quality was assessed. STUDY APPRAISAL AND SYNTHESIS METHODS: Information on study design, populations, interventions, comparators, outcomes, time frame, and risk of bias were independently abstracted by two investigators. RESULTS: 13 intervention studies with 1,154 participants were included. Four studies were randomized controlled trials. Seven studies had a low to medium risk of bias, and there was significant heterogeneity in the interventions. Relaxation techniques improved sleep quality 0-38 %, interventions to improve sleep hygiene or reduce sleep interruptions improved sleep quantity 5 %, and daytime bright light exposure improved sleep quantity 7-18 %. LIMITATIONS: The heterogeneity in the types and dose of interventions, outcome measures, length of follow-up, differences in patient populations, and dearth of randomized trials may dilute effects seen or make it more difficult to draw conclusions. CONCLUSIONS AND IMPLICATIONS OF KEY FINDINGS: There is insufficient to low strength of evidence that any non-pharmacologic intervention improves sleep quality or quantity of general inpatients. Further studies are needed in this area to guide clinicians.

Original languageEnglish (US)
Pages (from-to)788-795
Number of pages8
JournalJournal of General Internal Medicine
Volume29
Issue number5
DOIs
StatePublished - 2014

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Sleep
Inpatients
Sleep Deprivation
Relaxation Therapy
Quality of Health Care
Hypnotics and Sedatives
PubMed
Population
Libraries
Randomized Controlled Trials
Research Personnel
Outcome Assessment (Health Care)
Light
Therapeutics

Keywords

  • hospital medicine
  • hospital sleep
  • inpatient sleep
  • sleep deprivation
  • systematic review

ASJC Scopus subject areas

  • Internal Medicine
  • Medicine(all)

Cite this

Non-pharmacologic interventions to improve the sleep of hospitalized patients : A systematic review. / Tamrat, Ruth; Huynh-Le, Minh Phuong; Goyal, Madhav.

In: Journal of General Internal Medicine, Vol. 29, No. 5, 2014, p. 788-795.

Research output: Contribution to journalArticle

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abstract = "OBJECTIVES: Despite the known adverse effects of sleep deprivation on recovery from illness, studies have shown that sleep deprivation remains an incompletely addressed problem among acutely ill inpatients. Behavioral interventions are recommended as first-line therapy prior to using pharmacologic therapy due to the side effects of sedative hypnotics. The objective of this systematic review was to identify non-pharmacologic interventions that have been used to improve sleep quality and quantity of non-intensive care unit (ICU) inpatients. DATA SOURCES: PubMed, Embase, Web of Science, CINAHL, and Cochrane Library through January 2013; manual searches of reference lists. STUDY ELIGIBILITY CRITERIA, PARTICIPANTS, INTERVENTIONS: Any study in which a non-pharmacologic intervention was conducted in a general inpatient setting, and nighttime sleep quantity or quality was assessed. STUDY APPRAISAL AND SYNTHESIS METHODS: Information on study design, populations, interventions, comparators, outcomes, time frame, and risk of bias were independently abstracted by two investigators. RESULTS: 13 intervention studies with 1,154 participants were included. Four studies were randomized controlled trials. Seven studies had a low to medium risk of bias, and there was significant heterogeneity in the interventions. Relaxation techniques improved sleep quality 0-38 {\%}, interventions to improve sleep hygiene or reduce sleep interruptions improved sleep quantity 5 {\%}, and daytime bright light exposure improved sleep quantity 7-18 {\%}. LIMITATIONS: The heterogeneity in the types and dose of interventions, outcome measures, length of follow-up, differences in patient populations, and dearth of randomized trials may dilute effects seen or make it more difficult to draw conclusions. CONCLUSIONS AND IMPLICATIONS OF KEY FINDINGS: There is insufficient to low strength of evidence that any non-pharmacologic intervention improves sleep quality or quantity of general inpatients. Further studies are needed in this area to guide clinicians.",
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