Rejuvenating Sleep Aid.


Yawn is a non-habit-forming sleep aid to support every facet of healthy sleep, so every night can be your best night’s sleep. It can help you fall asleep easier, improve sleep quality and wake up feeling refreshed. Sufficient, high-quality sleep is scientifically agreed upon to be the one of the most important pillars to optimizing cognition and physical performance in the near-term.

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Rejuvenate the brain and body with quality sleep.

Invigorated performance during the day starts with efficient sleep.

Yawn combines the sleep-inducing effects of melatonin and L-Glycine, to help get the body and brain in recharge mode.

Reduce Time to Fall Asleep

Reduced by

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In 19 studies of melatonin, participants fell asleep 7.06 minutes faster on average.1,2,3

Sleep Well

Increase of

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Clinical studies on melatonin demonstrated an overall 3% improvement in sleep efficiency.1


Magnesium Glycinate

250 mg

Magnesium is an essential dietary mineral, and the second most prevalent electrolyte in the human body

Magnesium deficiency is common in the United States, with an estimated 68% of the population not meeting the FDA recommended daily intake of magnesium3,4,5

The glycinate form adds bioavailability of magnesium and additional glycine content6


Supplementing as magnesium glycinate increases the bioavailability of magnesium and provides additional glycine7


Magnesium is linked to reduced markers of inflammatory stress and improved sleep quality5,8


500 mg

Amino acid and a neurotransmitter


Improves subjective sensation of sleep quality and mood on waking3,9


Reduces time to fall asleep10


Improved cognitive performance the next day11


100 mg

Amino acid commonly found in tea12


Reduces stress and anxiety13,14,15,16


Shown to reverse the blood pressure and constriction of brain vessels caused by caffeine intake17,18


1 mg

Hormone produced in the brain that promotes sleep and regulates circadian rhythm (sleep-wake cycle)19

1 mg of melatonin not habit-forming20,21


Reduces the time to fall asleep and improves sleep quality1,2


Helps to normalise the sleep-wake cycle after travel across time zones22


Neuroprotective due to antioxidant and antiinflammatory properties23

HVMN Evidence Grading

Rooted in principles of science and engineering, we share full knowledge of HVMN products and their ingredients. Each products is systematically graded by the breadth of evidence available:


Theoretical effect or in vitro evidence


Animal model evidence of effects


Early human evidence of ingredient effects


High-quality human evidence of ingredient effects


Human study of product as sold

Sleep is essential to overall health. A better tomorrow started last night.

Yawn can help improve sleep and enhance cognition the day after a restful night of sleep

Improved Sleep Quality

Ingesting glycine before sleep significantly improved objective sleep quality3. When given glycine before bed, participants of a sleep study showed 50% reduction in subjective fatigue as well as improved "fatigue", "peppiness" and "clear headedness".11

Decrease Stress to Improve Sleep

Magnesium has been linked to reduced markers of stress and improved sleep quality.5,8

Supplement Facts

Serving Size: 1 Capsule
Servings Per Container: 30 (one month supply)
% Daily Value
Magnesium Glycinate 250 mg
L-Glycine 500 mg
L-Theanine 100 mg
Melatonin 1 mg

† Daily value not established

Other Ingredients: Hypromellose (Vegetable capsule shell), Silicon Dioxide, Magnesium Stearate.


Take one capsule of Yawn with a glass of water, one hour before sleeping.

Yawn is designed to be taken as needed, but can be taken on a consistent, nightly basis.

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Scientific Citations