Tossing and turning at night is frustrating, and more people are reaching for hemp-based sleep aids to help. Two names come up again and again: CBD and CBN. Both come from hemp and show up in bedtime gummies and oils, and early research suggests each may help you sleep better. Here’s a simple guide to CBN vs CBD for sleep: how the two differ, what the studies found and how to choose.
What are CBD and CBN?
CBD (cannabidiol) is one of more than 100 compounds found in the cannabis plant. It won’t make you feel high, and you’ll find it in oils, gummies, capsules and vapes.
CBN (cannabinol) forms as THC slowly breaks down in aging cannabis. It’s often called the “sleepy cannabinoid,” because people have long noticed that older cannabis tends to make them drowsy. CBN is considered mildly psychoactive, but it generally doesn’t cause a high the way THC does.
How might they help you sleep?
Your body has an endocannabinoid system, a network of receptors that researchers believe helps regulate the sleep-wake cycle. CBD and CBN both interact with this system, but they seem to help in different ways.
CBD may work mainly by helping you relax. If racing thoughts or stress keep you up at night, some doctors suggest CBD may help with sleep when anxiety is the cause.
CBN may act more directly on sleep itself. In animal research, CBN changed sleep patterns, and early human trials have reported fewer nighttime awakenings. More on that below.
What research says about CBD for sleep
CBD has been studied for sleep longer than CBN, and several findings are encouraging:
- In a 2019 study led by Dr. Scott Shannon, adults with anxiety or sleep complaints took 25 to 175 mg of CBD a day, and 66.7% reported better sleep within the first month.
- A 2022 review of CBD and insomnia found that every study it included reported improvement for at least some participants.
- In a large randomized trial, low-dose CBD was found to be safe and to improve sleep quality.
- A 2025 analysis of six trials with 1,077 people found cannabinoid products improved sleep quality compared with placebo. The strongest results came from formulas that combined CBD with other cannabinoids.
- In a 2024 pilot trial, people with insomnia who took 150 mg of CBD nightly reported greater well-being than those on placebo.
Not every study has found a clear sleep benefit, and researchers are still working out who benefits most and at what dose. So far, CBD looks most helpful for people whose sleep is disrupted by stress or anxiety.
What research says about CBN for sleep
CBN research is newer, but three recent placebo-controlled trials have reported promising results:
- In a trial of 293 adults with poor sleep, taking 20 mg of CBN each night for a week led to fewer nighttime awakenings and less overall sleep disturbance than placebo, with no daytime tiredness.
- A 2024 trial of more than 800 people found that 25, 50 and 100 mg of CBN each improved self-reported sleep quality compared with placebo, with results similar to 4 mg of melatonin.
- In a 2026 sleep-lab study of adults with diagnosed insomnia, a 300 mg dose helped people fall asleep faster and rate their sleep higher the next morning, with no sign of next-day grogginess.
Most CBN studies so far have been short, and larger independent trials are still to come. The direction of the results is encouraging, especially for people who wake up during the night.
CBN vs CBD: which should you try?
| Often chosen for | Waking up during the night | Winding down when stress keeps you awake |
| Makes you high? | Mildly psychoactive, but usually no high | No |
| Research highlights | Fewer nighttime awakenings, faster sleep onset | Better sleep reported by 66.7% of people in one study; improved sleep quality in trials |
| Amounts used in studies | 20 to 300 mg | 25 to 175 mg a day in sleep studies |
You don’t always have to pick one. Many sleep products combine the two, and in a 2025 pilot trial, a blend of CBD, CBN and a small amount of THC improved sleep quality scores over 10 days. Blends that contain THC face stricter legal limits, which the safety section below covers.
How to get started
There’s no established dose of CBD for sleep, and the same goes for CBN. These steps keep things simple:
- Talk to your doctor first, especially if you take other medications. A doctor can suggest a starting dose and check for interactions.
- Start with a low dose, follow the label, and increase slowly only if you need to.
- Take it an hour or two before bed. Trials have given doses about one hour to about two hours before bedtime.
- Pick a form that suits you. Gummies and capsules give you a set dose each time, while oils let you adjust the amount with a dropper.
- Stop and contact a healthcare professional if you notice side effects.
Stay safe and legal
A few checks before you buy:
- Choose products with a certificate of analysis (COA) from a third-party lab. Many CBD products don’t match their labeled strength, so the lab report is your best way to know what you’re getting.
- Check the THC content. A new federal definition of hemp takes full effect on December 11, 2026. It caps finished products at 0.4 mg of total THC per container and excludes lab-made cannabinoids. Full-spectrum products are the most likely to be affected, while CBD isolate contains no THC. For CBN, ask the seller how it was made.
- If you get drug tested, skip full-spectrum products, since they can show up on drug tests.
- Check your state’s cannabis rules, especially when traveling.
CBD is well tolerated by many people, but the FDA notes it can affect the liver and interact with some medications, and it can add to the drowsiness from alcohol or sleep medicines. Side effects can include diarrhea, tiredness and appetite changes. If you’re pregnant or breastfeeding, talk to your doctor before using either.
Frequently asked questions
Will CBN or CBD make me high?
CBD won’t. CBN is considered mildly psychoactive, but it generally doesn’t produce a high the way THC does. Some sleep products also contain THC, which can be intoxicating, so check the label and the lab report before you buy.
Can I take CBD and CBN together?
Yes, and many sleep products combine them. The research on blends is still mixed. In one trial, adding CBD to 20 mg of CBN didn’t improve results further. In another, a softgel combining CBD, CBN and a small amount of THC improved sleep quality scores over 10 days.
Is it safe to take CBD every night?
Most people tolerate CBD well, even at doses up to 1,500 mg a day, which is far more than a typical gummy contains. Nightly use is still worth discussing with your doctor, because CBD can interact with some medications.
Is CBN or CBD better than melatonin?
There’s very little research comparing CBD melatonin-free sleep gummies with melatonin, and the two work differently. Melatonin is a hormone that regulates your sleep-wake cycle, while CBD acts on the body’s cannabinoid receptors. For people who prefer to avoid supplemental melatonin, melatonin-free sleep gummies are another option, although the evidence behind their ingredients varies. For CBN, one large trial found that 25 to 100 mg improved sleep quality about as much as 4 mg of melatonin.
How long before bed should I take it?
In the studies above, people took their dose about one to two hours before bed. That’s a sensible starting point. Keep the timing and dose the same for a few nights before changing anything, so you can tell what’s working.
Can I use CBD or CBN with sleep medication?
Check with your doctor first. The FDA warns that combining CBD with alcohol or with drugs that slow brain activity, including some sleep medications, raises the risk of sedation and drowsiness.
The bottom line
CBD and CBN are both worth considering if you want a plant-based way to support better sleep. CBN has early evidence for fewer nighttime awakenings and faster sleep onset, while CBD may help most when stress is what keeps you awake. Start with a lab-tested, legally compliant product, keep the dose low, and check with your doctor.
If poor sleep lasts for weeks, see a doctor. For chronic insomnia, cognitive behavioral therapy for insomnia (CBT-I) is the recommended first-line treatment, and CBD or CBN can fit alongside it.
As with anything you read on the internet, this article should not be construed as medical advice; please talk to your doctor or primary care provider before changing your wellness routine. WHN neither agrees nor disagrees with any of the materials posted. This article is not intended to provide a medical diagnosis, recommendation, treatment, or endorsement.
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