Jet lag and chronic insomnia are separate outcomes. Melatonin evidence for jet lag must not be presented as proof of treating all sleep problems.
Separate studies, not a head-to-head trial. Source-checked conclusions do not validate older numerical estimates.
Source-checked conclusion: supported
Melatonin can reduce jet-lag symptoms. Timing and travel direction matter; it is not a universal sleeping pill.
Results are specific to jet lag, not every cause of poor sleep.
Population: Travelers crossing time zones. Formulation: Oral melatonin.
AI-assisted source check dated 2026-09-30. Selected effect only.
Source-checked conclusion: uncertain
Evidence is not strong enough to recommend melatonin routinely for chronic insomnia.
The cited guidelines recommend cognitive behavioral therapy for insomnia as initial treatment.
Population: Adults with chronic insomnia. Formulation: Oral melatonin.
AI-assisted source check dated 2026-09-30. Selected effect only.
Read Melatonin profile, recorded doses, risks and available costs
Source-checked conclusion: uncertain
Sleep findings are inconsistent. The cited sleep-medicine guideline recommends against valerian for chronic insomnia.
Long-term safety is uncertain. Avoid combining with alcohol or sedatives without medical advice.
Population: Adults with sleep problems. Formulation: Valerian root or rhizome preparations.
AI-assisted source check dated 2026-09-30. Selected effect only.
Read Valerian Root profile, recorded doses, risks and available costs
Keep your shortlist and create source-linked reports with Pro. Research and education, not medical advice.