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Momentous Sleep 30-pack with large resealable pouch and single-serve packet, dietary supplement for sleep and cognitive support.
Single white capsule with text: Magnesium that works — Magtein crosses the blood-brain barrier for superior absorption and sleep benefits.
Hand pouring capsules from Sleep Pouch with instructions: Take 1 pack 30 minutes before bed, use nightly for best results.
Hand placing white capsules on surface with text: Formulated with Magnesium L-Threonate, L-Theanine, and Apigenin to support relaxation and restful sleep.
Supplement facts panels for Magnesium L-Threonate, L-Theanine, and Apigenin capsules, including serving sizes and ingredient breakdowns.
Momentous Sleep 30-pack with large resealable pouch and single-serve packet, dietary supplement for sleep and cognitive support.
Single white capsule with text: Magnesium that works — Magtein crosses the blood-brain barrier for superior absorption and sleep benefits.
Hand pouring capsules from Sleep Pouch with instructions: Take 1 pack 30 minutes before bed, use nightly for best results.
Hand placing white capsules on surface with text: Formulated with Magnesium L-Threonate, L-Theanine, and Apigenin to support relaxation and restful sleep.
Supplement facts panels for Magnesium L-Threonate, L-Theanine, and Apigenin capsules, including serving sizes and ingredient breakdowns.

Nightly Sleep 30-Pack

30 Servings $/Serving

A science-backed combination of Magnesium L-Threonate, L-Theanine, and Apigenin to help optimize your sleep.

  • Fall asleep faster and stay asleep longer
  • Boosts sleep quality and depth
  • Non-habit forming, melatonin free
Size: 30 Nights
Estimated to be back in stock:
This flavor is exclusive to certain sizes. Please select another.
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Money back guarantee

“This supplement has been a complete game changer for my sleep. For years I have battled insomnia, since starting to take it I have noticed an incredible enhancement in my sleep”

Bryce A (Verified Customer)

“Greatest sleep hack I've ever tried! It works and I can finally fall asleep and have such restful nights. Also recommend taking it with an inosotol, too.”

Elisabeth S (Verified Customer)

“This sleep supplement has changed my life! I have noticed a much bigger difference in the quality of sleep I’m getting. I get more REM and deep sleep when I use these supplements.”

Hailee S (Verified Customer)

Better Sleep, Backed by Science

A non-habit-forming formula with Magtein® Magnesium, L-Theanine, and Apigenin to calm the mind, enhance sleep quality, and support recovery—without grogginess.

Getting quality sleep is one of the biggest factors in optimizing performance, recovery, and overall health. Nightly Sleep is designed to help you fall asleep faster, stay asleep longer, and wake up feeling refreshed-without dependency or grogginess.

Why You’ll Love It:

  • Supports Relaxation & Sleep Quality 
Magtein® Magnesium, L-Theanine, and Apigenin work together to calm the mind and promote deep, restful sleep.

  • Non-Habit Forming  
Designed to support natural sleep cycles without reliance on sedatives or melatonin.

  • Enhances Recovery
A well-rested body performs and recovers better, reducing stress and muscle fatigue.

  • Backed by Science
NSF Certified for Sport® and third-party tested for purity, potency, and safety.

  • Easy, Nightly Use 
Convenient, single-serve packets ensure a simple, effective addition to your routine.

With Nightly Sleep, you’ll optimize your body’s natural ability to rest, recover, and perform at its best—every single day.

Nightly Sleep is a science-backed formula designed to support deep, restorative sleep by targeting key neurological pathways. It works by calming the nervous system, reducing neuronal activity, and optimizing relaxation—allowing you to fall asleep faster, stay asleep longer, and wake up feeling refreshed.

  • Magtein® Magnesium L-Threonate – A highly absorbable form of magnesium that crosses the blood-brain barrier to support cognitive function and prime the brain for sleep.
  • L-Theanine – An amino acid that promotes relaxation by increasing alpha brain waves, reducing stress-related neurotransmitters, and supporting a calm, focused mind before bed.
  • Apigenin – A natural flavonoid that binds to brain receptors to reduce neuronal excitability, helping transition the body into a more restful state.

Unlike melatonin or sedatives, Nightly Sleep supports your body’s natural sleep-wake cycle without dependency or next-day grogginess—so you can wake up clear-headed and ready to perform.

  • Take 1 pack 30 minutes before bed.
  • Use nightly for best results—consistency is key.
  • No food needed. Can be taken on an empty or full stomach.
  • Avoid stimulants like caffeine in the evening to maximize sleep quality.

Maximize Your Results:
To create an ideal nighttime routine, pair Nightly Sleep with a calming wind-down ritual-limit screen time, and keep your bedroom cool and dark.

By making Nightly Sleep a consistent part of your routine, you’ll improve recovery, mental clarity, and overall performance.

  • Magnesium L-Threonate: Magnesium 145mg (from 2g Magtein® Magnesium L-Threonate)*
    Other Ingredients: Rice Flour, Hypromellose (Capsule), Magnesium Stearate, and Silica
  • Apigenin (from grapefruit) 50mg
    Other Ingredients: Rice Flour, Hypromellose (capsule), L-leucine, and Silica
  • L-Theanine 200mg
    Other Ingredients: Rice Flour, Hypromellose (Capsule), Magnesium Stearate, and Silica.


*Magtein® is a patented form of magnesium L-threonate, the best-studied form of magnesium shown to effectively cross the blood-brain barrier, enhancing bioavailability.


Sourcing & Quality:
Momentous Nightly Sleep is formulated with clinically studied, highly bioavailable ingredients to maximize absorption and efficacy. We use Magtein® Magnesium L-Threonate, one of the only forms of magnesium that effectively crosses the blood-brain barrier, ensuring direct neurological benefits. Our Apigenin is derived from grapefruit, a potent natural source known for its calming properties.

Every ingredient is carefully selected to meet the Momentous Standard—free from unnecessary fillers, artificial additives, and common allergens. NSF Certified for Sport®. Nightly Sleep is trusted by elite athletes and high performers who demand the highest level of safety and efficacy.

When to Use: Take 1 pack 30 minutes before bed for best results.


Onset Time: Many users feel noticeable improvements within 2-4 days, with full benefits developing over a few weeks.


Expected Results: Supports relaxation, helps you fall asleep faster, improves sleep quality, and enhances recovery-without grogginess or dependency. Consistent nightly use leads to better overall sleep health and next-day performance.

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Frequently Asked Questions

No, Nightly Sleep is non-habit-forming and does not contain sedatives or melatonin. It naturally supports your body’s sleep cycle without dependency.

No, Nightly Sleep is designed to help you wake up feeling refreshed and clear-headed, without the drowsiness associated with traditional sleep aids.

Most users experience benefits within 2-4 days, with full effects developing over a few weeks of consistent use.

Yes, Nightly Sleep is formulated for long-term use and can be taken nightly to support sustained sleep improvements.

Unlike melatonin, which can disrupt your natural sleep-wake cycle, Nightly Sleep supports relaxation and sleep quality without altering hormone levels or causing dependency.

Yes, Nightly Sleep is NSF Certified for Sport®, meaning it has been third-party tested for purity and banned substances, making it trusted by elite athletes.