Defined Sleep

For A Clinically Deeper Night's Rest

Real, Deeper Sleep

Backed by Strong Science

Defined Sleep is clinically shown to increase restorative sleep, the deepest phase of the human sleep cycle.  

The experience is a superior night’s sleep promoted by 300 mg of CBD. Supported by a landmark human clinical trial, Defined Sleep is the most scientifically validated CBD sleep product you can buy.

Features & Benefits:

   • Increases restorative sleep (REM + Deep Sleep)

   • Awake feeling relaxed & refreshed

   • 300 mg CBD + 8 plant-based terpene molecules

   • Safe to use every night

   • THC & melatonin-free

The Defined Difference

300 mg CBD + 8 Sleep Enhancing Terpenes

Defined Sleep contains a generous 300 mg of pure CBD per dose. It's the optimal amount for deep sleep and up to 7x more CBD than other brands.


Our proprietary formula goes beyond just CBD. We've also integrated 8 additional plant-based molecules called terpenes. Studies indicate these specific terpenes can amplify CBD’s sleep-inducing qualities, surpassing the basic sedating effects CBD alone. 

Why Restorative Sleep?

It's All About Wellness

Science shows our brains go through a four-stage cycle when we sleep. Restorative sleep refers to the two latter stages – Deep Sleep and REM Sleep. Combined, they play a key role in recharging our physical and mental systems.

When we get enough restorative sleep, major benefits include boosting our immune systems, regenerating cells, increasing memory and, of course, feeling refreshed and fully rested.  

Clinical Trial Efficacy

Defined Sleep increased restorative sleep in a pioneering, comprehensive human clinical trial. It is the only CBD sleep-aid that can make this claim. Details of our groundbreaking study are available in the Our Science section of our website.

Purity & Potency

Defined Sleep is made from >99.9% pure CBD isolate. It delivers a more consistent sleep experience compared to products made with impure plant extracts. Our formula also contains 300 mg of CBD per dose, optimal for human sleep. 

0.0% THC, Melatonin, & Sugar

Studies show THC actually interferes with restorative sleep, and melatonin's effect on sleep is minimal, at best. We've excluded these ingredients from our formula, well as sugars, gluten, hormones and any other components that may conflict with the sleep process. 

Created by Scientists

Every product claim we make is backed by clinical studies. Defined Research was founded by a team of PhD research scientists and medical professionals on the belief that healthcare therapies should live up to their claims. 

Certified Good Manufacturing Practice (cGMP)

Our manufacturing is audited and accredited against current Good Manufacturing Practices (cGMP). All of our products are also independently tested.

Satisfaction Guarantee

We offer a 30-day money-back satisfaction guarantee.

And shipping is free!