“Phenomenal product!! No residual sleep aid hangover that other products tend to give me. I highly recommend Sleep8.”
Verified Customer
DID YOU NOTICE?
A customer once asked why our label doesn't list fillers.
Because there aren't any.
Every ingredient in every capsule has a purpose.
Sleep8: Wake up feeling like you actually slept.
Sleep8: Wake up feeling like you actually slept.
Formulated for People Tired of Being Tired
Key Benefits
- Helps you fall asleep without lying there waiting for your mind to shut off.
- Calms the "tired but wired" feeling that keeps you staring at the ceiling at 2AM.
- Helps you stay asleep instead of waking at 3AM with your mind already racing.
- Supports the kind of deep sleep your body needs to recharge and recover overnight.
- Works with your body's natural sleep rhythm without sedatives or dependency risk.
- Wake up clear-headed and refreshed, not foggy, groggy, or dragging through the morning.
- Designed for people who are tired of being tired every single morning.
- Physician-formulated with 9 carefully selected natural ingredients chosen to work together, not just fill a label.
How Sleep8 Works
Something happens when you finally get real sleep. You know it the moment you open your eyes: no alarm-clock dread, no lying there waiting for energy that doesn't come, just a clearer head and a body that's ready. Most people have forgotten what that feels like.
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Frequently Asked Questions
Sleep8 is a physician-formulated sleep and recovery supplement designed to support the body's natural sleep process from winding down at night to waking up feeling rested in the morning.
Sleep8 contains a physician-selected blend of L-theanine, GABA, glycine, magnesium L-threonate, chamomile, valerian root, L-tryptophan, L-threonine, and a precise, moderate dose of melatonin. Each ingredient is included for a specific reason and at a dose grounded in clinical research.
Sleep8 was formulated for people who struggle with falling asleep, staying asleep, waking up exhausted, stress-related sleep disruption, or inconsistent sleep schedules.
Take 1 capsule 30 to 60 minutes before bedtime. Consistent nightly use produces the best results. Sleep8 is non-addictive.
Most sleep products rely heavily on melatonin. Sleep8 takes a more complete approach, supporting multiple parts of the sleep process including nervous system relaxation, sleep quality, and overnight recovery. Melatonin is part of the formula, not the whole strategy.
Many sleep supplements use far more melatonin than the body naturally produces. Studies show that consistently taking high doses can suppress your body's own melatonin production over time. Sleep8 uses a moderate, precise dose designed to support healthy sleep rhythms without that risk.
No. Grogginess is a dosing problem. Most supplements use far more melatonin than your body needs. Sleep8 uses a minimal, precise dose so nothing lingers by morning. Most people wake up feeling clear and rested.
No. Sleep8 is drug-free and designed to support your body's natural sleep process, not replace it. It is safe for consistent nightly use.
Some people notice improvement the first night. Others experience more gradual benefits with consistent nightly use. Either way, results tend to improve the longer Sleep8 becomes part of a regular routine.
Yes. Sleep8 was designed to support the full sleep cycle, not just falling asleep. Consistent use and a relaxing bedtime routine together produce the best results.
Yes. Stress and overstimulation interfere with the body's natural wind-down process. Sleep8 was formulated to support that transition, helping the nervous system ease into sleep even when daily stress is high.
If you take prescription medications or have a medical condition, consult your healthcare provider before starting Sleep8 or any dietary supplement.
Yes. Deep sleep restores neurotransmitter balance and clears metabolic waste from the brain. Most Sleep8 users report improved focus, mood, and daytime energy with consistent use.
We offer a 60-day money-back guarantee. If you are not satisfied for any reason, contact us for a full refund.
You are exhausted. So why will your brain not shut off?
You have been here before. The lights are off. The room is quiet. Your body is tired. But something keeps firing: the mental replay of the day, the list of things tomorrow will demand, the low hum of anxiety that has no specific source. You are not awake because you are not tired enough. You are awake because your nervous system has not gotten the signal that it is safe to let go.
That is the problem Sleep8 was designed to solve.
Sleep is not a single moment when you close your eyes and lose consciousness. It is a coordinated four-phase process that requires multiple systems in your body to work together in sequence. When any one of those phases breaks down, the whole process suffers and you end up exhausted during the day and wired at night, caught in a cycle that feeds itself.
Sleep8 was formulated to support every phase of that process.
Phase 1: Wind Down
Before your body can sleep, your mind has to stop fighting. Stress, stimulation, and the demands of modern life keep the nervous system in an alert state long after the day is over. L-Theanine promotes calm without sedation, taking the edge off the mental noise without making you feel drugged. GABA supports the nervous system's natural ability to downshift. Chamomile and Valerian Root have been used for generations to ease tension and help the body begin its transition toward rest.
Phase 2: Sleep Signal
Your body has an internal clock. It uses light, routine, and chemistry to know when it is time to sleep. Melatonin in Sleep8 is dosed low and deliberately, not to force sedation, but to reinforce the signal your body already knows how to send. Higher doses are not better. Sleep8 uses a targeted amount to support your natural circadian rhythm without overriding it. L-Tryptophan supports serotonin production, which is the upstream building block your body uses to produce melatonin naturally.
Phase 3: Staying Asleep
Falling asleep is one thing. Staying asleep is another. Stress hormones, shallow sleep cycles, and an unsettled nervous system are what wake people at 2AM with their minds already racing. The combination of ingredients in Sleep8 that support relaxation and nervous system balance in Phase 1 continue working through the night to support uninterrupted sleep cycles.
Phase 4: Restoration
This is the phase most sleep products completely ignore. Deep restorative sleep is when your body repairs tissue, recalibrates your nervous system, regulates hormones, and processes the experiences of the day. It is what determines how you feel when you wake up. Glycine helps lower your core body temperature, one of the body's most important signals for entering deep sleep. Magnesium Threonate, the only form of magnesium shown to cross the blood-brain barrier effectively, supports the neural architecture of deep sleep.
This is the phase that makes the difference between waking up feeling rested and waking up feeling like you just survived the night.
Nine ingredients. One goal.
Sleep8 was not formulated by picking popular sleep ingredients and combining them. Each of the nine ingredients was selected for a specific role in the sleep process and for how it works with the others. The result is a coordinated formula that supports the complete sequence your body goes through on the way to real restorative sleep.
Not a sedative. Not a knockout pill. Just the nutritional support your body needs to do what it was designed to do, so you can wake up feeling rested, clear-headed, and more like yourself again.
Ingredients per serving:
- Chamomile — 55 mg
- GABA — 130 mg
- Glycine — 130 mg
- L-Theanine — 65 mg
- L-Threonine — 60 mg
- L-Tryptophan — 67 mg
- Magnesium (as Magnesium L-Threonate) — 8 mg
- Melatonin — 5 mg
- Valerian Root — 75 mg
Why we include each ingredient:
Chamomile — Traditionally used for relaxation, with randomized-trial evidence suggesting support for sleep quality.
GABA — The body’s primary inhibitory neurotransmitter. Oral GABA has been studied for stress, relaxation, and sleep, though human results remain mixed.
Glycine — An amino acid studied for sleep quality, thermoregulation, and next-day functioning.
L-Theanine — Promotes relaxation without drowsiness and helps reduce stress and mental chatter before bed.
L-Threonine — An amino acid involved in general protein synthesis and metabolic function.
L-Tryptophan — A precursor to serotonin and melatonin, essential for regulating mood and sleep-wake cycles.
Magnesium (as Magnesium L-Threonate) — A brain-bioavailable form of magnesium studied for sleep quality, relaxation, and daytime functioning.
Melatonin — A hormone that regulates your circadian rhythm and signals to your body that it's time to sleep.
Valerian Root — A traditional herbal remedy that promotes calmness and helps reduce the time it takes to fall asleep.
Take 1 capsules 30-60 minutes before bedtime, with water. For best results, use consistently as part of your nightly routine. Sleep8 is non-addictive and safe for long-term use.
THE RESEARCH BEHIND SLEEP8
Sleep8 combines nine ingredients selected to support relaxation, sleep onset, sleep quality, and the body’s natural sleep-wake cycle. Below is some of the human research behind the ingredients.
Chamomile — 55 mg
Studied in a systematic review and meta-analysis of randomized trials examining sleep quality and insomnia-related outcomes.
GABA — 130 mg
Studied in a systematic review examining oral GABA’s effects on stress and sleep in humans. The review found promising but mixed evidence for sleep-related outcomes.
Glycine — 130 mg
Studied in randomized, placebo-controlled human trials examining subjective sleep quality and next-day functioning in people experiencing insufficient sleep.
L-Theanine — 65 mg
Studied in randomized controlled trials and a 2025 systematic review and meta-analysis examining sleep onset, sleep quality, and daytime function.
L-Threonine — 60 mg
An essential amino acid involved in general protein synthesis and metabolic function. We do not currently have human sleep-specific research for standalone L-threonine.
L-Tryptophan — 67 mg
A precursor to serotonin and melatonin. Human research has examined L-tryptophan supplementation for sleep latency, although studied doses have generally been higher than the amount contained in Sleep8.
Magnesium, as Magnesium L-Threonate — 8 mg elemental
Magnesium L-threonate has been studied in a randomized controlled trial examining sleep quality, deep and REM sleep, and daytime functioning. The studied amount of magnesium L-threonate was higher than the amount provided by Sleep8.
Melatonin — 5 mg
Studied extensively in randomized controlled trials. A 2024 systematic review and dose-response meta-analysis examined both dose and timing in relation to sleep onset and total sleep time.
Valerian Root — 75 mg
Studied in randomized controlled trials and meta-analyses examining subjective and objective sleep parameters.
Full References
- Hieu TH, Dibas M, Surya Dila KA, et al. Therapeutic efficacy and safety of chamomile for state anxiety, generalized anxiety disorder, insomnia, and sleep quality: a systematic review and meta-analysis of randomized trials and quasi-randomized trials. Phytotherapy Research. 2019;33(6):1604-1615.
- Hepsomali P, Groeger JA, Nishihira J, Scholey A. Effects of oral gamma-aminobutyric acid (GABA) administration on stress and sleep in humans: a systematic review. Frontiers in Neuroscience. 2020;14:923.
- Yamadera W, Sato M, Suzuki H, et al. Glycine ingestion improves subjective sleep quality in individuals with insufficient sleep: a double-blind, randomized, placebo-controlled trial. Sleep and Biological Rhythms. 2021;19(4):465-472.
- 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.
- Bulman A, D’Cunha NM, Marx W, Turner M, McKune A, Naumovski N. The effects of L-theanine consumption on sleep outcomes: a systematic review and meta-analysis. Sleep Medicine Reviews. 2025;81:102076.
- Hartmann E, Spinweber CL. Sleep induced by L-tryptophan: effect of dosages within the normal dietary intake. Journal of Nervous and Mental Disease. 1979;167(8):497-499.
- Hausenblas HA, Lynch T, Hooper S, Shrestha A, Rosendale D, Gu J. Magnesium-L-threonate improves sleep quality and daytime functioning in adults with self-reported sleep problems: a randomized controlled trial. Sleep Medicine: X. 2024;8:100121.
- Cruz-Sanabria F, Bruno S, Crippa A, Frumento P, Scarselli M, Skene DJ, Faraguna U. Optimizing the time and dose of melatonin as a sleep-promoting drug: a systematic review of randomized controlled trials and dose-response meta-analysis. Journal of Pineal Research. 2024;76(5):e12985.
- Zhang X, Lu Y, Lv F, Hu Y, Yao Z, Wu Y, Lian F, Yang J, Xu X. Valerian for insomnia on subjective and objective sleep parameters: a meta-analysis of randomized controlled trials. Current Sleep Medicine Reports. 2023;9:211-224.
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Real answers to the health questions your doctor rarely has time to answer — written by a physician who believes you deserve to understand what's happening inside your own body.
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