The short answer · Sleep duration
Take melatonin for sleep duration. This is the one to buy.
1
21st Century, Melatonin, Quick Dissolve, Cherry, 10 mg, 360 Tablets
4.7· 15,876 ratings· $0.07/serving
DoseRank score85
Melatonin 10 mg — inside the studied 2-10 mg window
Of 879 products scored for Sleep duration, 21st Century, Melatonin, Quick Dissolve, Cherry, 10 mg, 360 Tablets ranks #1 with a DoseRank score of 85. Melatonin is the strongest evidence signal for this outcome.
The form“Why Melatonin?”Evidence Strong evidence
Melatonin is the strongest evidence signal for this outcome.
- MelatoninThe pick
Strong evidence · 10 mg
Sleep hormone signaling darkness that shifts circadian timing; works at low doses (0.5-1 mg) for jet lag, not as a sedative.
The dose“Is the dose actually effective?”Dose fit 90
Melatonin at 10 mg lands inside the studied 2-10 mg window.
Melatonin
Studied window 2-10 mg · this pick 10 mg
Questions
Frequently asked
21st Century, Melatonin, Quick Dissolve, Cherry, 10 mg, 360 Tablets ranks #1 for Sleep duration with a DoseRank score of 85. The score blends clinical strength, evidence, dose fit, trust signals and value across 879 products scored for this outcome.
Melatonin is the strongest evidence signal for this outcome.
Melatonin at 10 mg lands inside the studied 2-10 mg window. DoseRank scores this product's dose fit at 90 out of 100.
21st Century, Melatonin, Quick Dissolve, Cherry, 10 mg, 360 Tablets works out at $0.07 per serving. $0.07 per serving — mid price tier for this outcome. The cheapest ranked pick here is $0.04 per serving.
No. Retailer links may be affiliate links, but rankings and placement are never paid. Every product is scored by the same public model, and the ranking is recomputed from the underlying product data rather than edited by hand.
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Other outcomes
- Daytime sleepinessExcessive sleepiness or reduced alertness during the day.
- Insomnia severityDegree of difficulty initiating or maintaining sleep.
- Night awakeningsFrequency of waking during the night.
- Sleep latencyTime needed to fall asleep.
- Sleep qualityOverall restfulness and perceived quality of sleep.