---
title: "Close Mouth While Sleeping — $103K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/close-mouth-while-sleeping"
last_updated: "2026-08-11T04:22:57.669Z"
locale: en
meta:
  description: "Niche score 61/100 · $103K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 61/100 · $103K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Close Mouth While Sleeping — $103K/yr Amazon US Niche (2026) - Flapen"
---

# **close mouth while sleeping**

**Worth a look**

Shows beatable incumbent ratings (3.8★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 25Growth 10Conversion 83Competition 78Returns 62Price range 63Avg price 87Brand share 92Review moat 57Quality gap 97

**Quality gap**

**Incredible****3.8★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Great****43%**

top-5 brand share — no brand owns this niche

**Avg price**

**Great****$19.70**

avg listing price — sweet spot $15–$100

**Conversion**

**Great****9.0%**

search→purchase rate — share of searches ending in a sale

**Competition**

**Great****37%**

top-5 click share — an open shelf

**Price range**

**Good****$9.04–$143.89**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Returns**

**Good****2.5%**

return rate — above 5% kills the launch gate

**Review moat**

**Good****1,206.9**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Okay****$103K**

$103K/yr · 58K searches

**Growth**

**Bad****-29.7%**

90-day search growth — must beat 0% to launch

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")

According to Flapen's Amazon United States niche tracking, close mouth while sleeping is a $103K/yr Amazon United States market (58K searches/yr). The top 5 brands hold 43% of demand. Demand peaks in Jan–Dec. Verdict: Worth a look — 61/100.

Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **close mouth while sleeping market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–4K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$59K–$79K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**9.0%**</dd>

<dt>**Avg BSR**</dt><dd>**#97**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**98%**</dd>

<dt>**Sponsored**</dt><dd>**84%**</dd>

<dt>**Out of stock**</dt><dd>**15.2%**</dd>

<dt>**Avg brand age**</dt><dd>**36 months**</dd>

<dt>**Avg seller age**</dt><dd>**160 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.

**Brands**

**41 **▼falling

**Sellers**

**103**

**Top-5 brand share**

**43%**

Top 20: 82%

**Top-5 click share**

**37%**

Top 20: 73%

**Open market**

**53%**

- ResMed14% - Atavyst8% - Under Armour8% - Respironics7% - Vosaro5% - AIR BLOW5%

## **Demand & seasonality**

Weekly Amazon search volume, last 98 weeks — -29.7% search growth over the last 90 days.

4K3KSpike '24Spike '25Prime Day '25 seasonSepDecMarJunAugNovMarMay

Peak months: Jan, Dec · busiest ÷ quietest = 2.9×

[**Open Trend **](https://flapen.com/research/us/health-household/close-mouth-while-sleeping/trend)

## **Top close mouth while sleeping search terms**

- **snore mask**7K/yr-6.0%3.1% conv. - **snoring mask**6K/yr-21.9%2.8% conv. - **chin strap for mouth breathers**5K/yr-8.2%4.2% conv. - **keep mouth closed during sleep**7K/yr-53.5%1.5% conv. - **resmed cpap chin strap**4K/yr+0.9%10.1% conv. - **halo chin strap**4K/yr-11.2%6.3% conv. - **sleep apnea head strap**5K/yr-32.9%3.5% conv. - **knightsbridge chin strap**4K/yr-16.5%1.6% conv. - **cpap keep mouth closed**5K/yr-51.5%1.7% conv. - **close mouth while sleeping**5K/yr-50.6%2.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/close-mouth-while-sleeping/search-terms)

## **Top close mouth while sleeping products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%3%$3K6%$6K9%$9K12%$12K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![ResMed CPAP Chin Strap](https://m.media-amazon.com/images/I/31CPeWsKCFL.jpg)**ResMed CPAP Chin Strap**ResMed**$18.67**3.9★2,216 rev](https://www.amazon.com/dp/B00N44IL1O) [2![Snore Stopper - Anti Snoring Chin Strap for Men and Women CPAP Users - Chin Strap for Sleeping - Effective Snoring Solution for Excessive Snoring - Stop Snoring](https://m.media-amazon.com/images/I/41mYRCDYZCL.jpg)**Snore Stopper - Anti Snoring Chin Strap for Men and Women CPAP Users - Chin Strap for Sleeping - Effective Snoring Solution for Excessive Snoring - Stop Snoring**Atavyst**$18.80**3.8★1,939 rev](https://www.amazon.com/dp/B07S19K7JX) [3![Respironics - Respironics Premium-Style Chin](https://m.media-amazon.com/images/I/41ESY218fNL.jpg)**Respironics - Respironics Premium-Style Chin**Respironics**$19.29**4.1★83 rev](https://www.amazon.com/dp/B06XD1DM63) [4![Anti Snore Chin Strap [Upgraded] Vosaro Snoring Solution Effective Anti Snore Device Adjustable and Breathable Stop Snoring Head Band for Men Women Black](https://m.media-amazon.com/images/I/41egwMHTF1L.jpg)**Anti Snore Chin Strap \[Upgraded\] Vosaro Snoring Solution Effective Anti Snore Device Adjustable and Breathable Stop Snoring Head Band for Men Women Black**Vosaro**$10.06**3.3★5,934 rev](https://www.amazon.com/dp/B08DR16XGV) [5![Under Armour Spotlight Chin Strap Black OSFA](https://m.media-amazon.com/images/I/31iFxaVKCaL.jpg)**Under Armour Spotlight Chin Strap Black OSFA**Under Armour**$20.00**4.6★1,468 rev](https://www.amazon.com/dp/B0DT6D73CT)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Juskaa Chin Strap for Sleeping Adjustable Chin Strap Jaw Strap Jawline Shaper V Line Lifting Mask Black M](https://m.media-amazon.com/images/I/41rlGFXdudL.jpg)**Juskaa Chin Strap for Sleeping Adjustable Chin Strap Jaw Strap Jawline Shaper V Line Lifting Mask Black M**Juskaa**$9.79**253 rev2mo ago](https://www.amazon.com/dp/B0GXD1FCRV) [![ROWMATE Graphene V-Line Mask Chin Up Mask V Shaped Face Mask Chin strap for sleeping Jawline Shaper Lilac Small](https://m.media-amazon.com/images/I/31IR1BiFgVL.jpg)**ROWMATE Graphene V-Line Mask Chin Up Mask V Shaped Face Mask Chin strap for sleeping Jawline Shaper Lilac Small**ROWMATE**$10.15**549 rev2mo ago](https://www.amazon.com/dp/B0GX6DHD95) [![REROIO Chin Strap for Sleeping with 4-Side Adjustment Anti Snoring Chin Strap Elasticity Anti Snoring Devices Breathable and Durable Comfortable Snore Stopper for Adults Grey M](https://m.media-amazon.com/images/I/41vqx-Umk2L.jpg)**REROIO Chin Strap for Sleeping with 4-Side Adjustment Anti Snoring Chin Strap Elasticity Anti Snoring Devices Breathable and Durable Comfortable Snore Stopper for Adults Grey M**REROIO**$23.19**29 rev3mo ago](https://www.amazon.com/dp/B0GVMC6C1X) [![Better Than Mouth Tape for Sleeping MEW X AIR The 24 Hour Nose Breathing & Oxygen Enhancing Kit/Put Toxic Mouth Tape Sleep Tape & Nasal Strips in The bin/Reusable & Durable // Get Peak Performance](https://m.media-amazon.com/images/I/51ZGSW+SDrL.jpg)**Better Than Mouth Tape for Sleeping MEW X AIR The 24 Hour Nose Breathing & Oxygen Enhancing Kit/Put Toxic Mouth Tape Sleep Tape & Nasal Strips in The bin/Reusable & Durable // Get Peak Performance**FFX**$17.88**573 rev1y ago](https://www.amazon.com/dp/B0F24YKY4Z) [![Under Armour Spotlight Chin Strap Black OSFA](https://m.media-amazon.com/images/I/31iFxaVKCaL.jpg)**Under Armour Spotlight Chin Strap Black OSFA**Under Armour**$20.00**1,468 rev1y ago](https://www.amazon.com/dp/B0DT6D73CT)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Juskaa Chin Strap for Sleeping Adjustable Chin Strap Jaw Strap Jawline Shaper V Line Lifting Mask Black M](https://m.media-amazon.com/images/I/41rlGFXdudL.jpg)**Juskaa Chin Strap for Sleeping Adjustable Chin Strap Jaw Strap Jawline Shaper V Line Lifting Mask Black M**Juskaa**$9.79**4.5★**▲ 261%**](https://www.amazon.com/dp/B0GXD1FCRV) [![Chin Strap for Sleeping Anti Snoring Devices Comfortable Effective Stop Snoring Solution Snore Stopper Breathable Anti Snore Chin Strap Adjustable Velcro with Eye Mask Black](https://m.media-amazon.com/images/I/41nhp+IUtfL.jpg)**Chin Strap for Sleeping Anti Snoring Devices Comfortable Effective Stop Snoring Solution Snore Stopper Breathable Anti Snore Chin Strap Adjustable Velcro with Eye Mask Black**AIR BLOW**$16.39**4.3★**▲ 261%**](https://www.amazon.com/dp/B0DRSJBV3M) [![Chin Strap for Sleeping Anti Snoring Devices Comfortable Effective Stop Snoring Solution-ADA1](https://m.media-amazon.com/images/I/4176BzQizLL.jpg)**Chin Strap for Sleeping Anti Snoring Devices Comfortable Effective Stop Snoring Solution-ADA1**AIR BLOW**$16.44**3.2★**▲ 258%**](https://www.amazon.com/dp/B0DKP293S2) [![ROWMATE Graphene V-Line Mask Chin Up Mask V Shaped Face Mask Chin strap for sleeping Jawline Shaper Lilac Small](https://m.media-amazon.com/images/I/31IR1BiFgVL.jpg)**ROWMATE Graphene V-Line Mask Chin Up Mask V Shaped Face Mask Chin strap for sleeping Jawline Shaper Lilac Small**ROWMATE**$10.15**4.4★**▲ 258%**](https://www.amazon.com/dp/B0GX6DHD95) [![REROIO Chin Strap for Sleeping with 4-Side Adjustment Anti Snoring Chin Strap Elasticity Anti Snoring Devices Breathable and Durable Comfortable Snore Stopper for Adults Grey M](https://m.media-amazon.com/images/I/41vqx-Umk2L.jpg)**REROIO Chin Strap for Sleeping with 4-Side Adjustment Anti Snoring Chin Strap Elasticity Anti Snoring Devices Breathable and Durable Comfortable Snore Stopper for Adults Grey M**REROIO**$23.19**3.4★**▲ 257%**](https://www.amazon.com/dp/B0GVMC6C1X)

**~~View all trending →~~**

## **What buyers say about close mouth while sleeping**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Comfort-Overall**10%

*“Comfortable to wear”*

**Snore Relief**9%

*“Stops the snoring”*

**Quality-Overall**8%

*“Amazing quality”*

**Sleep Quality**7%

*“Restful sleep”*

**Size-Overall**6%

*“Secure fit”*

**Efficiency**5%

*“super effective”*

**Value For Money**4%

*“great value”*

**Strap/String Quality**4%

*“Good strap”*

**Breathability**4%

*“Helps breathing while”*

**Advertised Vs Actual Product**3%

*“As advertised”*

### **What buyers complain about **

**Functionality-Overall**12%

*“DIDNT WORK”*

**Size-Overall**10%

*“Too big”*

**Value For Money**7%

*“Product is expensive”*

**Sleep Quality**5%

*“affected my sleep”*

**Comfort-Overall**5%

*“Very uncomfortable to wear”*

**Strap/String Quality**4%

*“Had an issue with a strap”*

**Breathability**4%

*“I couldn't breathe at all”*

**Adhesion/Stickiness**3%

*“Poor adhesion”*

**Quality-Overall**3%

*“Not high quality”*

**Oral Hygiene**3%

*“Unit Gave Me Jaw Pain”*

### **Top return reasons **

**Size-Overall**29%

**Functionality-Overall**18%

**Comfort-Overall**9%

**Strap/String Quality**9%

**Advertised Vs Actual Product**8%

**Adhesion/Stickiness**7%

**Breathability**4%

**Material Quality**1%

**Value For Money**1%

**Sleep Quality**1%

## **Common questions**

<dl>

<dt>**Is close mouth while sleeping profitable to sell on Amazon United States?**</dt><dd>The niche generates $103K/yr across 51 tracked products. 7 of 13 products launched in the last 360 days are still selling. 90-day search growth is -29.7%. Flapen's verdict: Worth a look (61/100).</dd>

<dt>**How competitive is the close mouth while sleeping niche?**</dt><dd>41 brands and 103 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 43% of demand.</dd>

<dt>**What do buyers complain about in close mouth while sleeping?**</dt><dd>Top complaints mined from reviews: Functionality-Overall, Size-Overall, Value For Money. The return rate is 2.5%.</dd>

<dt>**When does demand for close mouth while sleeping peak?**</dt><dd>Demand peaks in Jan–Dec; the busiest month runs 2.9× the quietest.</dd>

<dt>**What does it cost to enter the close mouth while sleeping niche?**</dt><dd>Listings span $9.04–$143.89; the average listing price is $19.70 (sweet spot $15–$100). The average incumbent carries 1,207 reviews — the moat a new listing must climb.</dd>

</dl>

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