How long does VitalSleep last?

VitalSleep is rated for approximately 12 months of nightly use. The material holds up better than softer thermoplastic devices (like ZQuiet), and the company's free replacement guarantee covers any device that fails within the first year.

Can I use VitalSleep with partial dentures?

Partial dentures must be at least one year old before using VitalSleep. Full denture wearers cannot use the device — the boil-and-bite fitting requires natural teeth to create an impression.

Does VitalSleep work for sleep apnea?

VitalSleep is designed as a snoring device, not a sleep apnea treatment. MADs can reduce apnea events in mild-to-moderate cases, but VitalSleep should not be used as a CPAP replacement. If you suspect sleep apnea, consult your doctor first.

How do I use the Accu-Adjust hex tool?

After completing the boil-and-bite fitting, insert the hex tool into the adjustment screw on the device. Clockwise turns advance the lower jaw further forward; counterclockwise reduces advancement. Start at the minimum setting and increase by half-turns every two to three nights until snoring is controlled.

How does the 60-night guarantee work?

If VitalSleep doesn't reduce your snoring to your satisfaction within 60 nights, you can return it for a full refund. At 60 nights, this is the longest money-back window of any MAD we've tested. The window gives you enough time to work through the adjustment period and properly fine-tune the Accu-Adjust setting before deciding.

Can I sleep on my side or stomach with VitalSleep?

Yes — VitalSleep is designed to be comfortable in any sleep position. The hinge has a slight flex that accommodates natural jaw movement, making it more forgiving than rigid single-piece MADs for side and stomach sleepers.

What comes in the VitalSleep box?

VitalSleep ships with the mouthpiece (in your chosen size), a carrying case, the hex adjustment tool, and a medical-grade adjustment screw pre-installed in the device. The carrying case is a practical inclusion that helps the device hold its custom-molded shape when stored.

What is the adjustment period like?

Most new users experience mild jaw soreness and increased saliva for the first 1–2 weeks — this is normal with any MAD. VitalSleep's soft thermoplastic material is generally easier to adapt to than stiffer acrylic devices. If soreness is significant, back off the Accu-Adjust screw by half a turn and allow a few more nights before advancing again.

Home › Anti-Snoring › VitalSleep Review

Anti-Snoring #4 of 40 Tested

VitalSleep Review: The Adjustable MAD With a Year of Free Replacements

By Dr. Sarah Kimball · 6 min read ✓ Updated June 2026

Our Verdict

8.3

out of 10

Effectiveness 4.2/5

Adjustability 4/5

Comfort 4.3/5

Ease of Breathing 4/5

Durability 4.5/5

Easy to Clean 4.2/5

Company Reputation 4.5/5

VitalSleep earns its #4 ranking with a combination that's rare in its category: post-fitting adjustability via the Accu-Adjust hex system, a 60-night money-back guarantee, and free replacements within the first year. For snorers who want more control than a fixed boil-and-bite MAD and value a generous trial window, VitalSleep is a strong choice — though the recent price increase to $169.95 means the value case now rests squarely on that coverage.

✓ Accu-Adjust hex tool for post-fitting jaw control✓ Custom boil-and-bite molding✓ Free device replacement for 1 full year

Try VitalSleep (60-Night Guarantee)

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VitalSleep is a mandibular advancement device made by The Snore Reliever Company. What sets it apart from most fixed MADs is the Accu-Adjust system — a hex tool that lets you incrementally advance the lower jaw without redoing the boil-and-bite fitting. It's a meaningful step above purely fixed devices. Add in a 60-night money-back guarantee, free replacement within the first year, and availability in two sizes (standard and small for smaller mouths), and VitalSleep lands at #4 in our rankings.

Pros

✓ Accu-Adjust hex tool for post-fitting jaw control
✓ Custom boil-and-bite molding
✓ Free device replacement for 1 full year
✓ 60-night money-back guarantee
✓ Two sizes: standard and small (women/smaller mouths)
✓ Easy to clean
✓ Comfortable in any sleep position
✓ Free size exchange if the fit is wrong
✓ Carrying case included

Cons

✗ Adjustment increments coarser than top-tier precision MADs
✗ No numbered markings on adjustment screw
✗ Not suitable for overbite sufferers
✗ Cannot be used by denture wearers

Science

How VitalSleep Works

VitalSleep works like most MADs: the device holds your lower jaw in a slightly advanced position, tightening the tissue in the back of the throat and preventing the vibrations that cause snoring. The differentiator is the Accu-Adjust mechanism. After completing the boil-and-bite fitting, you use the included hex tool to dial in the degree of jaw advancement independently of the fitting. Turn the screw clockwise to advance the jaw further, counterclockwise to reduce it — without re-melting or re-molding the device.

Testing

Our VitalSleep Experience

Our testing ran VitalSleep over five weeks with three primary testers. All three completed the boil-and-bite fitting on the first attempt — the process is straightforward: submerge in hot water for 60 seconds, cool briefly in cold water, then bite to mold. Partner-reported snoring reduction was evident within the first two nights for two testers; the third required three rounds of Accu-Adjust fine-tuning before hitting the effective setting.

First impressions were consistently positive on comfort. The thermoplastic material is soft and doesn't cause the jaw-clenching tension that stiffer acrylic MADs sometimes produce. One tester described it as "barely noticeable" by night three. New users should expect a 1–2 week adjustment period for jaw and gum adaptation, but the material itself is forgiving.

The Accu-Adjust system is useful but less refined than top-tier adjustable MADs. The hex tool turns the screw in steps that feel somewhat coarse — you're adjusting in roughly 1–2mm increments without numbered markings, so finding the optimal position takes trial and error. Once set, however, it holds reliably and didn't shift overnight. The adjustment can be made without re-molding, which is the key advantage over purely fixed boil-and-bite devices.

Unlike some MADs that restrict sleeping position, VitalSleep allows comfortable use in any sleep position — back, side, or stomach. The hinge design flexes slightly rather than locking rigidly, which accommodates natural jaw movement during sleep. This makes it well-suited for combination or stomach sleepers who struggle with more rigid devices.

Durability held up well. Four months in, none of the test devices had degraded meaningfully — the custom molds didn't soften or lose their shape under nightly use. The 1-year free replacement guarantee is genuine and unconditional. VitalSleep also offers free size exchanges if the standard size doesn't fit; a small size is available and designed specifically for women and smaller mouths.

Each device ships with a carrying case, the hex adjustment tool, and a medical-grade screw pre-installed. The case is a practical addition — most MADs at this price don't include one — and it helps the device maintain its shape when not in use.

VitalSleep recently raised its price from $69.95 to $169.95 — a significant jump that moves it into premium MAD territory. At that price, the value proposition shifts: the 60-night money-back guarantee (the longest in the MAD category) and the unconditional first-year free replacement become the primary justifications. For first-time MAD buyers, that extended trial window still removes most of the risk, and the replacement coverage is genuinely rare at any price point.

Good For

→ People who want adjustability with a long trial window and replacement coverage
→ Women or those with smaller mouths (small size available)
→ Anyone who values a long trial window (60 nights)
→ First-time MAD buyers wanting replacements covered

Not For