The short answer
Honey before bed works through a pathway physiologists have understood for decades. The carbohydrate in honey helps tryptophan reach the brain, and tryptophan is what your body builds serotonin and then melatonin from. That is the mechanism behind the old habit of a spoonful of honey at night, and it holds up.
The human research on honey and sleep is younger than the mechanism, and what exists is encouraging. In a crossover study of poor sleepers run out of the University of Saskatchewan, honey improved several areas of sleep and compared favourably with melatonin, with no associated adverse effects. That work was promising enough to drive a larger randomised, double-blind trial of 110 adults, which is registered as NCT04207281.
Honey is also a carrier. It is one of the few things people will genuinely take every night, and it delivers ingredients with strong trial evidence of their own: glycine at 3 g, L-theanine at 200 mg, and tart cherry. Those doses and studies are below.
Why carbohydrate at night supports sleep
Your brain makes serotonin from tryptophan, and melatonin from serotonin. Tryptophan has to cross the blood brain barrier to get there, and it shares a transporter with several other amino acids that compete for the same ride.
Carbohydrate raises insulin. Insulin draws those competing amino acids into muscle tissue. Tryptophan is left with a clearer path, and more of it reaches the brain. This is standard, well-described physiology, and it is the honest reason carbohydrate in the evening is associated with sleepiness.
It shows up in controlled research. In a trial of healthy men, a high glycemic index meal shortened time to fall asleep to 9.0 minutes, against 17.5 minutes on a low glycemic index meal (Afaghi, O'Connor and Chow, American Journal of Clinical Nutrition, 2007). That is close to half the time spent lying awake.
Honey is particularly well suited to this. It arrives as roughly 31% glucose and 38% fructose, so part of it is available quickly while the fructose portion is handled by the liver over a longer window. The glucose supports the tryptophan pathway in the short term, and the liver's handling of fructose is the basis for the long-standing idea that honey supports steady overnight fuel. The mechanism is well described and the human trials on that specific question are still developing.
What the research on honey itself shows
Beyond mechanism, honey has been studied directly:
- Against melatonin. The University of Saskatchewan crossover work in poor sleepers found honey safe and effective for improving sleep quality, performing favourably alongside melatonin. The follow-up randomised, double-blind, crossover trial in 110 adults aged 18 to 55 is registered as NCT04207281.
- In a clinical population. A trial of 68 hospitalised patients with acute coronary syndrome found a significant improvement in sleep scores for the group given a milk and honey mixture against the control group.
Honey is also one of the oldest sleep remedies people have, used across cultures long before anyone could explain why. The mechanism now explains it.
The ingredients honey carries best
A honey base becomes considerably more powerful when it carries ingredients with their own trial support. These are the three with the clearest evidence.
Glycine, 3 g before bed
Glycine is an amino acid that lowers core body temperature, which is one of the signals the body uses to initiate sleep.
In a crossover trial, adults with ongoing poor sleep took 3 g of glycine or a flavoured placebo an hour before bed, with polysomnography recording the result. On glycine nights, time to fall asleep and time to reach slow-wave sleep both shortened, subjective sleep quality improved, and next-day sleepiness was lower. Sleep architecture was otherwise undisturbed, which matters: this is support for the body's own sleep, rather than sedation (Yamadera et al., Sleep and Biological Rhythms, 2007).
L-theanine, 200 mg
L-theanine is the amino acid in tea leaves associated with calm alertness.
Thirty healthy adults took 200 mg daily or placebo for four weeks in a randomised, double-blind crossover trial. Pittsburgh Sleep Quality Index scores improved against placebo, with specific gains in sleep latency and sleep disturbance (Hidese et al., Nutrients, 2019).
Tart cherry
Montmorency tart cherries are one of the few foods that contain meaningful melatonin. In a trial of 20 healthy volunteers, tart cherry supplementation raised total melatonin and increased time in bed, total sleep time and sleep efficiency (Howatson et al., European Journal of Nutrition, 2012). That trial used juice concentrate, so a freeze-dried cherry format is a different presentation of the same fruit.
Magnesium glycinate
Magnesium takes part in hundreds of enzymatic processes, including those that regulate the nervous system. The glycinate form binds magnesium to glycine, so it pairs naturally with the glycine above and is well tolerated.
Consistency is the real variable
The L-theanine trial ran four weeks. The tart cherry trial ran seven days. Sleep research rewards repetition, and the thing that decides whether any of this works for you is whether you actually take it every night.
This is where format quietly beats formulation. A sachet of honey you look forward to is taken on night fourteen. A bottle of capsules often is not.
How to read a sleep supplement label
Four questions worth asking of anything you are considering:
- Are the doses disclosed per serving, or hidden inside a proprietary blend?
- Do the amounts match the studied doses? Glycine at 3 g and L-theanine at 200 mg are the numbers to look for.
- Is there added melatonin, and do you want it? Melatonin is a hormone, and next-day grogginess is the common complaint.
- Is it third-party tested, and will they show you the certificate?
What is in Hibernation Honey
One sachet:
| Per serving | Amount |
|---|---|
| Calories | 60 |
| Total carbohydrate | 16 g |
| Glycine | 3,000 mg |
| L-Theanine | 200 mg |
| Magnesium glycinate | 400 mg |
| Organic freeze-dried tart cherry | 2.5 g |
Other ingredients: organic domestic wildflower honey, purified water, mineral sea salt. Twenty sachets per pouch. No added melatonin.
The glycine and L-theanine sit at exactly the doses used in the trials cited above, in a raw wildflower honey base. Take one 30 to 60 minutes before bed, straight from the pouch.
Who should skip it
Do not feed honey to infants 12 months or under. If you are pregnant, nursing, taking medication, or have a medical condition, talk to your doctor before use.
References
- Afaghi A, O'Connor H, Chow CM. High-glycemic-index carbohydrate meals shorten sleep onset. American Journal of Clinical Nutrition. 2007;85(2):426-430.
- Yamadera W, Inagawa K, Chiba S, Bannai M, Takahashi M, Nakayama K. Glycine ingestion improves subjective sleep quality in human volunteers, correlating with polysomnographic changes. Sleep and Biological Rhythms. 2007;5(2):126-131.
- Hidese S, Ogawa S, Ota M, et al. Effects of L-theanine administration on stress-related symptoms and cognitive functions in healthy adults: a randomized controlled trial. Nutrients. 2019;11(10):2362.
- Howatson G, Bell PG, Tallent J, Middleton B, McHugh MP, Ellis J. Effect of tart cherry juice (Prunus cerasus) on melatonin levels and enhanced sleep quality. European Journal of Nutrition. 2012;51(8):909-916.
- Honey to Improve Sleep Quality. University of Saskatchewan. ClinicalTrials.gov NCT04207281.
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.