Skip to content
Catalyst

PapersPMID:16423108

The efficacy and safety of exogenous melatonin for primary sleep disorders. A meta-analysis.

Journal of general internal medicine2005The record ↗

  1. Finding, very limited evidencelowersSleep onset latency

What moved

1 findingHow to read these marks →
  • Decreases sleep onset latency

    very limitedreplicated ×11

    “Melatonin decreased sleep onset latency (weighted mean difference [WMD]: -11.7 minutes; 95% confidence interval [CI]: -18.2, -5.2)); it was decreased to a greater extent in people with delayed sleep phase syndrome (WMD: -38.8 minutes; 95% CI: -50.3, -27.3; n=2) compared with people with insomnia (WMD: -7.2 minutes; 95% CI: -12.0, -2.4; n=12).”
    Study
    meta-analysis
    Effect
    −11.7 mean difference, 95% CI −18.2 to −5.2
    Population
    people with primary sleep disorders (insomnia and delayed sleep phase syndrome pooled); pooled randomised controlled trials

Study record

Design
meta-analysis
Species
human
Population
adults with primary sleep disorders (including delayed sleep phase syndrome and insomnia)
Participants
not reported
Comparator
not stated in the paper / placebo
Duration
28 days
Endpoints measured
4