Falling asleep, staying asleep, and waking rested.
Start Here the foundations
The guideline first-line for chronic insomnia, ahead of pills; largest and most durable effect (~19 min faster to sleep, held at 12 months).
Cost
Free to MidFree to Mid · Free self-guided · demanding to stick with · works within weeks
Effort
HardHard
Results In
WeeksWeeks
Self-Directed
Reduce-lever: 400 mg within ~4-6 h of bed costs 45-51 min of sleep; cutting caffeine earlier is one of the highest-value free moves (it does not touch REM).
Cost
Free to LowFree to Low · Cheap and everywhere · just drink it · alertness within the hour
Effort
EasyEasy
Results In
DaysDays
Self-Directed
A cool (about 20-25 C), dark, quiet room; each 10 dB of night road noise roughly 2.5x's badly disturbed sleep.
Cost
Free to MidFree to Mid · Mostly free fixes · set up once · better sleep that night
Effort
EasyEasy
Results In
DaysDays
Self-Directed
Morning daylight anchors a delayed clock earlier (ES 0.34) and lifts sleep quality; free.
Cost
FreeFree · step outside after waking · clock shifts within days
Effort
EasyEasy
Results In
Days to WeeksDays to Weeks
Self-Directed
Proven Add-Ons
Exposure Moderate
Passive body heating: a warm bath 1-2 h before bed shortens time to fall asleep, pooled across 13 studies.
Cost
Free to MidFree to Mid · a hot bath or hot tub at home
Effort
EasyEasy
Results In
Weeks to LongerWeeks to Longer
Self-Directed
Intake Moderate
Reduce-lever: a nightcap speeds onset but cuts REM and fragments the second half of the night; less before bed sleeps better.
Cost
FreeFree · No cost to cut back · habit is hard to shift · body responds over weeks
Effort
Moderate to HardModerate to Hard
Results In
Weeks to MonthsWeeks to Months
Self-Directed
Situational after the basics
Supplement Moderate
A circadian tool: strong for jet lag and a delayed clock, modest (~7 min) for ordinary insomnia; 0.3-0.5 mg works as well as 3 mg.
Cost
LowLow · Inexpensive · take before bed · works the first night, jet lag over a few days
Effort
EasyEasy
Results In
DaysDays
Supplement
Training Moderate
Meaningful sleep-quality gain in women with sleep problems (PSQI SMD -0.54).
Cost
Free to LowFree to Low · Low cost · regular practice · benefits over weeks
Effort
ModerateModerate
Results In
Weeks to MonthsWeeks to Months
Self-Directed
Sleep Emerging
Reduce-lever, and a narrow one: interactive device use in bed costs sleep; blue-blocking glasses and Night Shift mode are no-effect, so do not sell them as the fix.
Cost
FreeFree · dim the lights at night · easier sleep within days
Effort
EasyEasy
Results In
Days to WeeksDays to Weeks
Self-Directed
Supplement Moderate
For restless legs with low ferritin only: cut RLS severity ~3.8 points; not a general sleep aid.
Cost
LowLow · Cheap · a daily pill with vitamin C · fatigue lifts in weeks, stores refill over months
Effort
EasyEasy
Results In
Weeks to MonthsWeeks to Months
Supplement
Emerging thin evidence
Mind Emerging
Beats a matched comparison (ES 0.33-0.54) but no better than established sleep therapies.
Cost
FreeFree · takes steady practice · modest anxiety and mood gains build over weeks to months
Effort
ModerateModerate
Results In
Weeks to MonthsWeeks to Months
Self-Directed
Supplement Emerging
Older adults fell asleep ~17 min faster, on weak evidence.
Cost
LowLow · Cheap and simple · a daily pill · laxative in days, migraine benefit over weeks
Effort
EasyEasy
Results In
Days to WeeksDays to Weeks
Supplement
Supplement Emerging
Small sleep gain across 5 trials (SMD -0.59); trials small and several industry-linked.
Cost
LowLow · Inexpensive root extract · daily dose · stress scores ease over a few weeks
Effort
EasyEasy
Results In
WeeksWeeks
Supplement
Acupoint therapies improved sleep across 95 insomnia trials; low-cost and self-administered.
Cost
FreeFree · press points yourself · P6 nausea relief now, other uses over weeks
Effort
EasyEasy
Results In
Days to WeeksDays to Weeks
Self-Directed
Moderately better self-rated sleep; gentle and free, tradition-supported.
Cost
FreeFree · a short daily set
Effort
EasyEasy
Results In
Weeks to MonthsWeeks to Months
Self-Directed
Connection Emerging
Sleep improved in 5 of 8 trials, likely via calmer pre-sleep thoughts.
Cost
FreeFree · a few lines a day · mood lifts over weeks
Effort
EasyEasy
Results In
Days to WeeksDays to Weeks
Self-Directed
Cost Free · $ · $$ · $$$ Effort Easy · Moderate · Hard Results In Same-day · Weeks · Months
Easy
Moderate
Hard
Free
Reduce Caffeine: What It Does, the One Catch for Sleep, and How to Use It Well The Sleep Environment: What Changes How You Sleep, the Free Fixes, and When to Buy Morning Light: What It Does for Your Sleep, Mood, and Body Clock, and How to Get It Heat Without a Sauna Reduce Evening Light and Screens: What Helps Your Sleep, and Where the Gadgets Fall Short Acupressure and Self-Massage: The Research, the Points, and How to Use Them The Eight Brocades (Ba Duan Jin): The Research, the Movements, and How to Start Gratitude Practice Yoga Nidra and NSDR: What Guided Deep Rest Does and How to Start
Reduce Alcohol and Your Health: What the Evidence Shows Now Yoga: What It Does, What the Trials Found, and How to Start Meditation and Mindfulness
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Melatonin: The Body's Darkness Signal Magnesium: What It Does, Which Form to Take, and How Much Ashwagandha: What the Evidence Shows for Stress, Sleep, and Strength Iron: When It Helps, How to Take It, and Why to Test First NAC and Glycine: A Proven Antidote, a Steady Mucolytic, and the GlyNAC Longevity Story L-Theanine: The Calm-Alert Amino Acid in Tea, and What It Does
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Levers with real evidence for sleep. Tiers are the strength of that evidence, not our endorsement. An up arrow raises the goal; a down arrow is a reduce-lever.
Evidence strength
How confidently the research supports a claim. Strength describes the evidence, not our endorsement.
StrongLarge or repeated randomized trials point the same way (a firm "no effect" counts too).
ModerateGood trial evidence, but fewer, smaller, or less consistent studies.
EmergingEarly trials or pooled signals, real but not yet settled.
PreliminaryMostly indirect, animal, or observational evidence.
Risk or overturnedEvidence of risk, or a claim the trials have since reversed.