Sleep research cheat sheet

Sleep Supplement Evidence Guide

A compact guide for separating sleep onset, sleep maintenance, relaxation, next-day effects, and evidence quality before comparing supplements.

  • Separate sleep outcomes before comparing ingredients
  • Track dose, timing, duration, and next-day effects
  • Avoid treating sedation as proof of better sleep
1

Define the sleep outcome

  • Sleep onset: how long it takes to fall asleep.
  • Sleep maintenance: awakenings and time awake during the night.
  • Total sleep time and sleep efficiency are different outcomes.
  • Subjective sleep quality may improve even when objective sleep measures change little.
  • Next-day alertness and adverse effects belong in the same decision.
2

Evidence questions

  • Was the study randomized and controlled?
  • Was insomnia actually present in the study population?
  • How long was the trial?
  • Was the dose and form similar to what is sold?
  • Were benefits consistent across trials or concentrated in one study?
3

Safety handoff

  • Check additive sedation when combining several calming products.
  • Medication interactions and alcohol/CNS depressants require separate review.
  • Do not interpret “natural” as evidence of low risk.
Use this as a research framework, not a treatment plan. The resource helps organize evidence, product-quality, and safety questions. It does not determine whether a supplement is appropriate for a specific person.
Explore the evidence database →Open the Safety Checker →Review product-quality criteria →