---
title: "Trend — close mouth while sleeping - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/close-mouth-while-sleeping/trend"
last_updated: "2026-08-11T06:19:37.052Z"
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": "Trend — close mouth while sleeping - 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%")

## Trend