Written by the Nuvirox Research Team
Key points
- Honey has been tested in randomised trials for sleep — in young children with coughs, where it outperformed placebo on parent-rated sleep difficulty.
- No randomised trial has tested honey for sleep in healthy adults with insomnia.
- The popular “liver glycogen” explanation is a hypothesis that has not been tested as a sleep intervention.
Short answer: there is real trial evidence for honey and sleep, and it is almost certainly not about you. The randomised studies exist, they are reasonably well conducted, and they consistently show a benefit — in one- to five-year-olds whose sleep was being wrecked by a cough from a cold. That is a specific problem with a specific mechanism. Extending it to a thirty-eight-year-old lying awake with a busy mind is a leap the literature does not license.
What has honey actually been tested for?
Nocturnal cough. Upper respiratory infections in young children cause coughing that wakes both child and parent, and over-the-counter cough medicines perform poorly in controlled trials. Honey was studied as an alternative, with sleep difficulty as a co-primary outcome because it is what parents actually care about.
What human studies actually show
The largest trial was double-blind and placebo-controlled. Cohen and colleagues published in Pediatrics in 2012 a study of 300 children aged one to five with upper respiratory infection and nocturnal cough, recruited from six community paediatric clinics. Children received a single 10 g dose of eucalyptus, citrus or labiatae honey, or a placebo of silan date extract, thirty minutes before bedtime. Outcomes included cough frequency and severity plus child and parent sleep quality. The trial was registered as NCT01575821.
All three honeys beat placebo — but placebo improved too. This is the finding that matters most and is quoted least. Every group, including placebo, improved significantly from the night before treatment to the night of treatment. The honey groups improved more on all main outcomes. Some of what looks like a honey effect in uncontrolled use is natural resolution of a cold plus regression to the mean.
An earlier trial compared honey against an active drug. Paul and colleagues, in Archives of Pediatrics & Adolescent Medicine in 2007, compared a single dose of buckwheat honey, dextromethorphan, and no treatment in children with nocturnal cough, again measuring sleep quality for children and parents. Honey performed favourably.
The counterweight: the meta-analysts rate the evidence as low to very low quality. A systematic review pooling the honey-for-acute-cough trials found honey may reduce cough frequency and improve sleep compared with cough medication or placebo, with the observed effect ranges spanning zero at one end. The authors explicitly rated the quality of evidence as low to very low and called for better randomised, placebo-controlled, blinded trials. Blinding honey is genuinely difficult, which is part of the problem.
Study snapshot
| Design | Double-blind, randomised, placebo-controlled |
| Source | Pediatrics, 2012 (NCT01575821) |
| n | 300 children, ages 1–5, with URI and nocturnal cough |
| Dose | 10 g honey, 30 minutes before bedtime, single night |
| Comparator | Silan date extract placebo |
| Result | Honey > placebo on cough and sleep difficulty; placebo also improved |
Where do the adult sleep claims come from?
Mostly from a mechanistic hypothesis rather than a trial. The argument runs that the liver relies on stored glycogen to maintain blood glucose overnight, that a depleted store triggers a stress response involving cortisol and adrenaline that can fragment sleep, and that a spoonful of honey before bed tops up the store and prevents this.
Each link in that chain has some physiological plausibility. Liver glycogen does deplete overnight. Counter-regulatory hormones do rise if glucose falls. What is missing is any randomised trial giving honey to adults before bed and measuring what happens to their sleep. The hypothesis has been circulating for two decades and has not generated the study that would settle it.
A second claim invokes honey's small tryptophan content and its carbohydrate load helping tryptophan reach the brain. The carbohydrate part of that is real biochemistry — we walked through it in the turkey and tryptophan piece — but the quantities in a teaspoon of honey are small, and no sleep trial has tested it.
What honey won't do
It will not treat insomnia. If you are lying awake for an hour most nights, honey is not the intervention with evidence behind it; behavioural approaches are, as covered in our piece on long sleep-onset delays.
There are also groups for whom this is not a neutral suggestion, and they are worth stating plainly:
- Never give honey to an infant under twelve months. Honey can carry Clostridium botulinum spores, which can cause infant botulism. This is not a theoretical caution.
- If you have diabetes or are managing blood glucose, honey is sugar. A bedtime carbohydrate load is a decision to make with your clinician or diabetes team, not on the basis of a wellness article. People on insulin or sulfonylureas in particular should not adjust evening carbohydrate intake informally.
- If you have reflux, anything eaten close to lying down can worsen night-time symptoms.
- Dental considerations are real. A sugar load immediately before eight hours of reduced saliva flow is not ideal. Brush afterwards.
And if you wake at the same time every night feeling shaky, sweaty or anxious, do not self-treat that with honey on the assumption it is low blood sugar. That pattern has several possible causes, some of which need investigating. Take it to a doctor, particularly if you take glucose-lowering medication.
If you want to try it
It is cheap and, for most healthy adults without the conditions above, low-risk. A teaspoon or two roughly thirty minutes before bed matches the timing used in the paediatric trials, though those were treating cough rather than sleep. Judge it over two weeks rather than one night, and be aware that you are running an unblinded experiment on yourself with a strong expectation effect — the same effect that made the placebo arm improve in the trial.
Frequently asked questions
Does the type of honey matter?
The 2012 trial used three different honeys and found all three outperformed placebo, with no clear winner. There is no evidence that manuka or raw honey does anything different for sleep.
What about honey in warm milk?
Warm milk has its own folklore and its own weak evidence, and the combination has never been tested for sleep. The warmth and the ritual may do more than either ingredient.
Is honey better than a normal carbohydrate snack?
Nobody has run that comparison for sleep outcomes. The honey-specific claims rest on its fructose-to-glucose ratio, which is a hypothesis rather than a finding.
Will it help a cough in an adult?
The trials were in children. Honey is a reasonable, low-risk demulcent for adult throat irritation too, but that is an extrapolation, and a cough lasting more than three weeks needs medical assessment.
How much is too much?
Ten grams was the trial dose in children. For adults, the practical limit is whatever keeps the sugar load sensible for you — which is a different number for someone managing blood glucose than for someone who is not.
From Nuvirox
Why we formulated Sleep+ Restore
Sleep+ Restore pairs 10 mg of melatonin with a 905 mg Sleep Formula blend — L-tryptophan, lycium (goji), chamomile, lemon balm, passionflower, L-taurine, hops, St. John’s Wort, GABA, Chinese skullcap, L-theanine, ashwagandha, inositol and 5-HTP — plus vitamin B6, calcium and magnesium.
Sleep+ Restore is a capsule rather than a carbohydrate, which matters if you are someone who has been told to watch evening sugar. That is a difference in format, not a claim of superiority — the honey trials in children are better evidence than anything we can point to for a bedtime spoonful in adults.
Check with a clinician first if you take anything regularly. St. John’s Wort induces CYP3A4 and P-glycoprotein and can reduce blood levels of hormonal contraceptives, tamoxifen, immunosuppressants and many other drugs. 5-HTP can add to serotonergic medication such as SSRIs and SNRIs. Ashwagandha has documented effects on thyroid hormone levels.
Every bottle carries a 60-day money-back guarantee — long enough to actually evaluate it the way the research says you should, across weeks rather than one hopeful night.
Learn more about Sleep+ Restore →The bottom line
Honey has better evidence than most bedtime folk remedies, and none of it is about adults with insomnia. In coughing toddlers it beat placebo on sleep difficulty in a well-designed randomised trial — while placebo also improved, which tells you something about how much of any bedtime ritual is expectation. The adult glycogen story is a hypothesis waiting for its trial. Try it if you like it; do not build a sleep strategy on it, and take the blood sugar caveat seriously if it applies to you.
References
- Cohen HA, Rozen J, Kristal H, et al. Effect of honey on nocturnal cough and sleep quality: a double-blind, randomized, placebo-controlled study. Pediatrics. 2012;130(3):465–471. PMID: 22869830. DOI: 10.1542/peds.2011-3075. Trial registration: NCT01575821.
- Paul IM, Beiler J, McMonagle A, Shaffer ML, Duda L, Berlin CM Jr. Effect of honey, dextromethorphan, and no treatment on nocturnal cough and sleep quality for coughing children and their parents. Archives of Pediatrics & Adolescent Medicine. 2007;161(12):1140–1146. PMID: 18056558.
- Systematic review and meta-analysis of honey for acute cough in children: honey may improve symptoms and sleep versus cough medication or placebo, but the quality of evidence was rated low to very low. PMCID: PMC10570220. PROSPERO: CRD42022369577.
- Sutanto CN, Loh WW, Kim JE. The impact of tryptophan supplementation on sleep quality: a systematic review, meta-analysis, and meta-regression. Nutrition Reviews. 2022;80(2):306–316. PMID: 33942088. DOI: 10.1093/nutrit/nuab027.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. This article is for informational purposes only and is not a substitute for professional medical advice.