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Clinically Dosed. Trusted by Sleep Specialists.
4.8 Rating | Trusted by Over 15,000
And how 3 natural ingredients can restore the 2–3 hours of REM sleep your brain is dying for.
Here’s What We’ll Cover:
Why most adults only get 30 minutes of real REM sleep
The truth about melatonin and why it can backfire
The 3 nutrients proven to restore your natural sleep cycles
How to finally wake up energized, clear, and rested
By Doctor Jess Harris
Last Updated Aug. 15, 2025
"At 62 I learned what REAL sleep is!” - Charlotte Dominguez
120-Day 'Sleep On It 'Guarantee
1
Without Magnesium, You Can Pretty Much Kiss a Good Night’s Sleep Goodbye
1
Without Magnesium, You Can Pretty Much Kiss a Good Night’s Sleep Goodbye
Most people don’t realize it, but your body runs on magnesium. Without it, blood sugar spikes, muscles lock up, and even your bones begin to weaken.
So when you’re awake at 5AM, staring at the ceiling, it isn’t “just stress.” It’s your body running out of the one nutrient almost everyone falls short on.
Stanford researchers found magnesium glycinate helps break this cycle. It calms your nerves, relaxes your muscles, and cools your body so your brain stays locked in “sleep mode.” In studies, it cut middle-of-the-night wake-ups by more than 60%.
PS: Alcohol burns through magnesium even faster — which is why so many drinkers find themselves wide awake at 3AM.
2
2
Deep sleep isn’t just rest — it’s when your body releases almost all of its growth hormone, the chemical that keeps skin tight, muscles strong, and energy steady.
Miss it, and the signs show up fast: dark circles, puffy eyes, sagging skin. No cream or serum can replace what your body should be making on its own.
Harvard researchers call growth hormone the body’s natural “youth switch.” Without enough deep sleep, it barely turns on — and your body starts aging in fast-forward.
3
3
Here’s a quick rundown of how sleep works. Every night, your brain cycles through four stages
Light sleep – you’re drifting in and out.
Deeper sleep – your body starts repairing.
Deep sleep – muscles and tissues rebuild.
REM sleep – the grand finale, when your brain clears out junk, stores memories, and resets your mood.
Harvard researchers call REM “the brain’s reset button.” Kids spend almost half the night there — which is why they wake up ready to bounce off the walls. Adults over 40? Most are lucky to get 30–45 minutes instead of the 2–3 hours they actually need.
That’s like plugging in your phone overnight and waking up to find the battery still at 20%. No wonder you wake up drained, foggy, and exhausted — no matter how long you stayed in bed.
4
Stress Hormones Don’t Shut Off Just Because You Do
4
Stress Hormones Don’t Shut Off Just Because You Do
Cortisol, our body’s main stress hormone, keeps you sharp, focused, and ready to take on whatever comes your way during the day.
Once the sun sets and you’re in bed, cortisol should fall. That dip tells your brain it’s safe to relax and drift into deep sleep.
The problem is, in today’s world we rarely give our bodies that chance. Phones, late-night scrolling, and constant blue light trick the brain into thinking it’s still daytime. Cortisol stays high, and your body never makes the full switch into “sleep mode.”
When cortisol stays high, it shreds through your night, wiping out the deep and REM sleep your brain is desperate for. The result? You wake up tense, restless, and running on fumes — as if you never slept at all.
5
5
Melatonin isn’t the harmless “sleep vitamin” most people think it is. Your brain naturally releases about 0.5mg a night to signal that it’s time to wind down.
But when you flood your system with 5–10mg or more from a supplement, you overwhelm your receptors and fry the very wiring that controls your natural sleep rhythm.
Studies show this can actually suppress your body’s ability to generate deep sleep on its own.
That’s why so many people wake up groggy, foggy, and find themselves needing bigger and bigger doses just to feel anything.
The truth? Melatonin doesn’t restore your sleep cycles — it overrides them. Which is why millions of people “sleep” through the night yet still wake up feeling half-dead in the morning.
6
Sleeping Pills Block Up to 80% of Deep Sleep — No Wonder You Feel Like a Walking Zombie
6
Sleeping Pills Block Up to 80% of Deep Sleep — No Wonder You Feel Like a Walking Zombie
Let’s be real about Ambien and its friends. This isn’t real sleep, it’s closer to a chemically induced coma.
Clinical studies show these drugs can block 60–80% of your deep and REM cycles. And those are the very stages where your brain clears out toxins and organizes your memories.
It’s like hiring a cleaning crew for your house, then locking them in the closet all night. Sure, you’re “out” for 8 hours, but your brain never gets the chance to do its work.
The result? You wake up groggy and foggy, weighed down by the junk your brain was supposed to clear out.
7
7
If you’re over 40 and waking up earlier than ever, it’s not because you’ve “matured” into loving mornings. It’s biology.
As we age, the brain cells that control deep sleep start to weaken. The “sleep switch” doesn’t flip as easily, and even when it does, it doesn’t stay on for long.
That’s why midlife and older adults spend less time in restorative sleep and wake up more often through the night. UC Berkeley researchers have even shown that this drop-off in deep sleep neurons is one of the biggest reasons people feel more tired as they age.
You’re not a grumpy morning person — you’re just running on half a night’s rest.
With RestRem, you’re not forcing sleep with melatonin or pills. Instead, you’re giving your body the exact 3 nutrients it’s missing every night — magnesium glycinate, glycine, and L-theanine.
When combined, they restore the 2–3 hours of deep and REM sleep your brain has been craving. No chemicals. No dependency. Just natural, restorative sleep the way your body was designed.
Magnesium Glycinate — The Calming Mineral
Every night your body chews through magnesium, which is why so many people jolt awake at 2AM.
Magnesium glycinate calms the nervous system, relaxes muscles, and cools the body so sleep actually sticks. Clinical studies show it can cut middle-of-the-night wake-ups by more than 60%.
Glycine — Your Brain’s Cooling Signal
Deep sleep depends on your core temperature dropping a few degrees. Glycine acts like your body’s thermostat, telling the brain it’s safe to enter REM.
Research shows it supports memory, clarity, and mood by helping nightly brain repair.
L-Theanine — The Stress Buffer
Stress hormones like cortisol are sleep’s #1 enemy. L-Theanine keeps them from hijacking your night by creating calm brain waves.
Harvard research shows it can boost deep sleep by up to 88% — with no grogginess, no dependency, and no side effects.
If you’re only getting 30 minutes of REM instead of the 2–3 hours your brain needs, you’re missing out on up to 2.5 hours of nightly brain repair.
That’s 75 hours of lost restoration every month. Over a year? 900+ hours gone forever. Hours your brain will never get back.
And the damage compounds. Each sleepless night makes the next one harder. Each morning of brain fog slows your focus, drags down your mood, and accelerates the aging clock.
The longer you wait, the deeper the debt. The sooner you act, the sooner your brain starts to restore itself.
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What's inside?
We keep it simple: three nutrients that help you wind down and support healthy sleep architecture (deep + REM).
Magnesium (as glycinate) — 28 mg elemental (from 200 mg magnesium glycinate); supports relaxation and is gentle on the stomach.
Glycine — 300 mg; supports sleep quality and next-day clarity.
L-Theanine — 200 mg; promotes a calm, non-drowsy state to ease bedtime.
Capsules: vegetable (vegan). No melatonin, no fillers.
Label lists elemental magnesium — 200 mg magnesium glycinate yields ~28 mg elemental.
How does the 120-Day Sleep On It Guarantee work? 🗓
Try RestRem for 120 nights. If you’re not satisfied, keep your first bottle and return any unopened bottles for a full refund.
Finally, Deep, Natural Sleep — No Drugs, No Melatonin
4.8/5 Stars | Trusted by Over 15,000 People
Backed by clinical research in REM sleep cycles.
💤 Fall Asleep in Minutes — no melatonin, no morning grogginess.
🌙 Stay Asleep All Night — no more 3AM wake-ups
🌞 Wake Up Energized & Clear — feel like yourself again
🧠 Boost Memory, Focus & Mood — supports healthy REM sleep
✨ Simple One-Time Order — No Auto-Billing, Ever.
Buy One Get One Free (60-Day Supply)
$99.97
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$59.97
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Buy Two Get Two Free (120-Day Supply)
$199.97
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$99.97
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Buy Three Get Three Free (180-Day Supply)
$299.97
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$134.97
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New Customer BOGO SALE
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120-Day "Sleep On It" Guarantee
What's inside? 💤
We keep it simple: three nutrients that help you wind down and support healthy sleep architecture (deep + REM).
Magnesium (as glycinate) — 28 mg elemental (from 200 mg magnesium glycinate); supports relaxation and is gentle on the stomach.
Glycine — 300 mg; supports sleep quality and next-day clarity.
L-Theanine — 200 mg; promotes a calm, non-drowsy state to ease bedtime.
Capsules: vegetable (vegan). No melatonin, no fillers.
Label lists elemental magnesium — 200 mg magnesium glycinate yields ~28 mg elemental.
How does the 120-Day Sleep On It Guarantee work? 🗓
Try RestRem for 120 nights. If you’re not satisfied, keep your first bottle and return any unopened bottles for a full refund.
The Dositive Promise
Clinically-Proven
Non-Habit Forming
3rd-Party Tested
No Fillers or Junk
Fast-Acting Formula
Here’s what RestRem customers are saying:
Emil R.
Verified Buyer
I work 12-hour shifts at the hospital and used to lie awake thinking about my patients. My wife started sleeping in the guest room because I'd toss and turn so much. After 3 weeks on RestRem, I fall asleep in 15 minutes and actually feel rested for my next shift. My wife moved back into our bedroom and said she got her husband back.
Kassandra M.
Verified Buyer
Tax season used to destroy my sleep. I'd wake up at 3 AM with client deadlines racing through my head. My wife said I was impossible to live with. RestRem changed everything. Now I sleep through the night and my brain works during busy season. My wife says I'm actually pleasant again.
Yvette S.
Verified Buyer
After 20 years as a first responder, my sleep was completely shot. I'd come home from calls completely wired and couldn't turn my brain off. My kids said Mom was always tired and cranky. RestRem helps me sleep like I did in my twenties. My team noticed I'm sharper around the clock. My kids say I'm fun to be around again.
Backed by science. Proven in nature. These 3 ingredients are the foundation of RestRem. No fluff, no fillers.
Calm Your Body & Mind
Deep Relaxation Support
Helps calm the nervous system so you can fall asleep faster and more naturally.*
Restores REM Cycles
Supports the brain’s neurotransmitters linked to deep, restorative sleep.*
Muscle & Body Recovery
Eases tension and promotes overnight recovery so you wake refreshed.*
Cool the Brain for REM Sleep
Brain Cooling Effect
Helps lower core body temperature, making it easier to reach restorative REM sleep.*
Sharper Mornings
Linked to better next-day focus, memory, and mental clarity.*
Nightly Reset
Supports uninterrupted, natural sleep rhythms that restore your body and mind.*
L-Theanine
Soothe Stress, Sleep Deeper
Stress Relief Without Sedation
Promotes calm and relaxation by increasing alpha brain waves.*
Deeper Quality Sleep
Improves sleep efficiency so you wake up energized, not groggy.*
Safe & Non-Habit Forming
Works naturally with your body — no risk of dependence or next-day crash.*
120-Day 'Sleep On It' Guarantee
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Your Top Q’s, Answered
Frequently Asked Questions
What you need to know before trying RestRem by Dositive
How is RestRem different from melatonin and other sleep supplements?
RestRem uses three ingredients that support your body's natural sleep processes rather than forcing drowsiness. Unlike melatonin, which can disrupt your natural hormone production over time, our ingredients work with your body's existing systems. Most sleep supplements use tiny amounts of multiple ingredients - we use clinically effective doses of three proven ones.
Is there scientific data that suggests these ingredients offer different benefits than basic sleep aids?
Yes. Magnesium glycinate, L-theanine, and glycine all have published research showing sleep benefits. They work through different pathways than typical sleep aids - supporting muscle relaxation, reducing stress hormones, and helping regulate body temperature during sleep, rather than just sedating you.
I'm on blood pressure medication (or other prescription drugs). Is RestRem safe to take with my medications?
RestRem was formulated with natural ingredients that are generally well-tolerated and not known to cause significant drug interactions. Magnesium glycinate, L-theanine, and glycine are nutrients your body already uses daily. However, we always recommend consulting your healthcare provider before starting any new supplement, especially if you're taking prescription medications. Your doctor can review your specific medications and health conditions to ensure RestRem is appropriate for you. Some medications may require timing adjustments (taking RestRem a few hours apart from certain drugs), but your healthcare provider can guide you on this.
What if I wake up groggy or drowsy the next day?
RestRem is designed to support natural sleep without next-day grogginess. If you experience morning drowsiness, try taking it earlier in the evening or consult with a healthcare provider about timing adjustments.
Can I take more than 2 capsules for better results?
No, don't exceed the recommended dose of 2 capsules per day. Taking more won't improve results and may cause unwanted side effects like digestive upset or excessive drowsiness.
Is it safe for long-term use?
Yes, RestRem contains nutrients your body uses naturally and is designed for ongoing use. Unlike prescription sleep aids or melatonin, these ingredients don't cause dependency or tolerance issues.
What if I forget to take it one night?
Simply resume your normal routine the next evening. Don't double up or take extra capsules to make up for missed doses.
I can't stomach the thought of taking more pills - will I actually get the same benefits from taking RestRem in capsule form?
RestRem comes in easy-to-swallow vegetable capsules, and you only need to take 2 per day. The ingredients are well-absorbed in capsule form and many people find capsules easier than powders or liquids. The veggie capsules are suitable for vegetarians and vegans. If you have trouble with pills, you can open the capsules and mix with water or food.
Why does RestRem focus on "natural sleep support" rather than just knocking me out?
Because being knocked out isn't the same as restorative sleep. Your brain needs to go through natural sleep cycles to repair and restore itself. RestRem supports these natural processes rather than overriding them, so you wake up refreshed instead of groggy.
My sleep is a nightmare - lying awake for hours, waking up at 3 AM, and feeling exhausted all day. Can RestRem really get things back on track?
RestRem can help, but results vary by person. The ingredients support relaxation and natural sleep cycles, which may help with both falling asleep and staying asleep. Most people notice some improvement within 2-4 weeks, though some see benefits sooner. If you have severe chronic insomnia, consider speaking with a healthcare provider as well.
I'm a bit nervous about trying something new. How do I know RestRem is safe and won't mess with my sleep even more?
RestRem contains only natural ingredients that your body already uses. They're generally well-tolerated with minimal side effects. We manufacture in FDA-registered, GMP-certified facilities and third-party test for purity. That said, if you're on medications or have health conditions, check with your doctor first.
I want to make sure I'm getting quality ingredients. Is RestRem third-party tested for purity and effectiveness?
Yes. Every batch is tested by independent labs for purity, potency, and contaminants. We provide certificates of analysis and manufacture in FDA-registered facilities following Good Manufacturing Practices (GMP).
Can I take RestRem if I'm already on other supplements, medications, or birth control?
These ingredients are generally safe with other supplements and most medications. However, if you're taking prescription sleep aids, blood pressure medications, or other drugs, consult your healthcare provider before starting RestRem to avoid interactions.
Does RestRem contain any common allergens like dairy, gluten, soy, or GMOs?
RestRem is free from dairy, gluten, soy, and GMOs. The vegetable capsules are also suitable for vegetarians and vegans. It's manufactured in a facility that processes other allergens, so if you have severe allergies, review the full ingredient list or contact us for detailed allergen information.
What is your money-back guarantee and how does it work?
We offer a 120-day money-back guarantee. If you're not satisfied with RestRem for any reason within 120 days of purchase, contact our customer service for a full refund. You don't need to return the bottles.
How many capsules are in a bottle of RestRem, and how many should I take each day?
Each bottle contains 60 vegetable capsules (30 servings). Take 2 capsules about 30-60 minutes before bedtime. Don't exceed the recommended dose.
