Sleep Supplement Guides

Supplements work best when they match the actual reason you cannot sleep. Tell us what is keeping you awake and we will point you to the right guide first.

Start here

What is keeping you awake?

Pick the description that fits best — each routes you to the most relevant guide.

If your problem isRacing thoughts at bedtimeReview the limited sleep evidence for a calming amino acid that is not a conventional sedative.Start with L-Theanine for Sleep If your problem isPhysical tension or a restless bodyCheck whether magnesium fits your situation, especially if low intake or deficiency may be relevant.Start with Magnesium for Sleep If your problem isWaking up tired after short or light sleepGlycine is a sleep-quality experiment, not a knockout sedative.Start with Glycine for Sleep If your problem isNot sure which magnesium to buyGlycinate, citrate, threonate and oxide are not interchangeable for sleep.Start with Magnesium Types for Sleep If your problem isChoosing glycinate vs L-threonateA buyer-intent comparison keeps premium forms from sounding automatically better.Start with Glycinate vs L-Threonate If your problem isStress-related insomniaExplore an adaptogen studied for stress and sleep over weeks, not as a same-night sedative.Start with Ashwagandha for Sleep If your problem isTrending sleep supplements sound convincingApigenin needs a reality check before it becomes another overstacked sleep trend.Start with Apigenin for Sleep If your problem isComparing your optionsA mineral and a circadian signal solve different problems.Start with Magnesium vs Melatonin If your problem isYou want a full planHow to combine supplements safely — timing, dosing, and stacking.Start with Sleep Stack Guide If your problem isADHD-related sleep issuesDelayed sleep and stimulant timing need a different approach.Start with Sleep & ADHD

Compare the evidence

Compare sleep-oriented botanicals by evidence

See which botanicals carry explicit sedating or sleep-related effects, how noticeable they may be, and which safety signals deserve attention before stacking.

Compare sleep botanicals →Open the full atlas

Best first reads

If you only read a few

Best Supplements for Sleep

The evidence-graded overview — start here if you are not sure what you need.

Open guide

Magnesium for Sleep

What the evidence shows, who may be more likely to benefit, and when magnesium is a poor fit.

Open guide

Glycine for Sleep

For sleep-quality and next-day tiredness questions — not a knockout sedative.

Open guide

L-Theanine for Sleep

For a busy mind at lights-out — calm without grogginess.

Open guide

Sleep Stack Guide

How to combine options into one coherent, safe routine.

Open guide

Comparisons

Deciding between two options?

These make a clear call instead of saying “both may help.”

Magnesium vs Melatonin

Nervous-system calm vs circadian timing — which problem is yours?

Open guide

Magnesium Glycinate vs L-Threonate

Simple, lower-cost first trial vs premium cognition-branded magnesium.

Open guide

Sleep Herbs vs Melatonin

Valerian, passionflower and lemon balm compared to melatonin.

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Ashwagandha vs Magnesium for Sleep

Stress-driven insomnia vs physical tension.

Open guide

Magnesium Types for Sleep

Glycinate vs citrate vs threonate vs oxide, ranked for sleep.

Open guide

ADHD & sleep

ADHD-related sleep problems

Sleep & ADHD →Melatonin for ADHD Sleep →

A note on matching the tool to the problem. Supplements are most useful to evaluate in the context of the actual sleep issue. L-theanine, magnesium, ashwagandha, and melatonin have different evidence, safety considerations, and plausible roles — they are not interchangeable. None replaces consistent sleep habits or care for a diagnosed sleep disorder. Review the supplement safety checklist before starting a new product, and use the evidence literacy guide to interpret study claims.

Research deeper

Sleep ingredient profiles

Use these monographs after choosing a guide to check safety notes, evidence context, and related compounds.

Compound profileL-Theanine for Sleep →Compound profileGlycine for Sleep →Compound profileMagnesium Glycinate →Herb profileAshwagandha →Herb profileValerian →Herb profilePassionflower →

Full library

All sleep guides

Editorial reading context

How to read Sleep Supplement Guides

Compare sleep supplements by the problem you are trying to solve, human evidence, timing, safety, and next-day effects. Covers melatonin, magnesium,… This guide is intended to help readers make sense of evidence, safety, and practical fit without turning supplement research into a one-size-fits-all checklist. Use it alongside the linked herb and compound profiles for deeper mechanism and safety details.

For Sleep Supplement Guides, focus on whether the evidence matches the exact outcome you care about, whether the dose discussed is realistic, and whether the safety profile fits your medical context. Strong marketing language should carry less weight than human evidence and transparent product quality.

When a page discusses dependence-forming substances, restricted compounds, or high-risk contexts, treat it as harm-reduction education only. It is not a buying guide, dosing instruction, or substitute for professional care.