---
title: "Night Cap — $74K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/night-cap"
last_updated: "2026-08-11T08:59:11.864Z"
locale: en
meta:
description: "Niche score 47/100 · $74K/yr market · 237K searches/yr · $11.49 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $74K/yr market · 237K searches/yr · $11.49 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Night Cap — $74K/yr Amazon US Niche (2026) - Flapen"
---
# **night cap**
**Skip it**
Soft demand (-22.3% this quarter) — this niche doesn't clear our bar today.
Market size 19Growth 14Conversion 34Competition 75Returns 72Price range 57Avg price 46Brand share 78Review moat 23Quality gap 67
**Brand share**
**Great****57%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****40%**
top-5 click share — an open shelf
**Returns**
**Good****2.1%**
return rate — above 5% kills the launch gate
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****$4.89–$28.23**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Okay****$11.49**
avg listing price — sweet spot $15–$100
**Conversion**
**Okay****2.7%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Bad****8,335.37**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$74K**
$74K/yr · 237K searches
**Growth**
**Bad****-22.3%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, night cap is a $74K/yr Amazon United States market (237K searches/yr). The top 5 brands hold 57% of demand. Demand peaks in Dec. Verdict: Skip it — 47/100.
Data updated Jul 13, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **night cap market data**
- **Units sold / yr**
- **6K–8K**
- avg 100–250/product
- **Revenue / yr**
- **$69K–$92K**
- units × avg price
- **Conversion rate**
- **2.7%**
- **Avg BSR**
- **#172**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **35 months**
- **Avg seller age**
- **160 days**
## **Competition & brand share**
Clicks spread well past the top 5 (40% combined) — an open shelf where new products get seen.
**Brands**
**31 **▼falling
**Sellers**
**42**
**Top-5 brand share**
**57%**
Top 20: 91%
**Top-5 click share**
**40%**
Top 20: 76%
**Open market**
**39%**
- YANIBEST38% - Doitory6% - GB Selected5% - BONNET QUEEN4% - LULUSILK4% - PHILIGHTS4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -22.3% search growth over the last 90 days.
7K5KSpike '24Holiday '24Spike '25 seasonSepDecMarJunAugNovMarMay
Peak months: Dec · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/night-cap/trend)
## **Top night cap search terms**
- **night cap**69K/yr-20.9%1.8% conv. - **satin cap for sleeping**17K/yr-22.4%3.8% conv. - **silk lined bonnet**15K/yr-2.8%1.9% conv. - **bonnet for short hair**13K/yr-11.8%1.9% conv. - **gorro de seda**15K/yr-9.3%1.8% conv. - **gorro de satin para dormir**16K/yr-21.7%2.3% conv. - **night caps**13K/yr+5.9%1.3% conv. - **night cap for women**18K/yr-65.7%2.0% conv. - **small satin bonnet**8K/yr-21.5%2.4% conv. - **satin sleep caps for women**6K/yr-9.5%2.3% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/night-cap/search-terms)
## **Top night cap 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%$2K6%$4K9%$7K12%$9K1001K10K100K 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**YANIBEST Silk Bonnet for Men Women Hair Bonnet for Sleeping Double Layer Satin Bonnets for Black Women Curly Hair Sleep Cap Black**YANIBEST**$12.90**4.5★3,923 rev](https://www.amazon.com/dp/B0CYQ22VQ5) [2**YANIBEST Adjustable Satin Bonnet for Sleeping Women Double Layer Hair Wrap Reduce Friction Prevent Frizz Natural Curly Hair Blush Pink**YANIBEST**$11.98**4.4★27,943 rev](https://www.amazon.com/dp/B0BLXZ4YBJ) [3**YANIBEST Adjustable Satin Bonnet Double Layer Hair Bonnet for Sleeping Bonnets for Women Hats Curly Natural Hair Blush Pink**YANIBEST**$12.60**4.4★16,114 rev](https://www.amazon.com/dp/B09MCM2Z5S) [4**Doitory Satin Silk Bonnet for Sleeping Double Layer Silk Sleep Cap for Men & Women Soft Satin Lined Bonnet for Natural & Curly Hair(Black)**Doitory**$9.61**4.5★2,136 rev](https://www.amazon.com/dp/B0DMSDC5MM) [5**3 Pack Satin Bonnet Silk Hair Bonnet for Sleeping Sleep Bonnets for Women Large Wide Soft Band Sleep Cap for Curly Hair Braids**PHILIGHTS**$6.80**4.4★8,705 rev](https://www.amazon.com/dp/B0BN339B7L)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**CAPLORD Satin Bonnet for Sleeping Silk Sleep Cap Curly Hair Wrap Beanie Adjustable Satin Lined Night Cap Men Women Black**CAPLORD**$12.99**8,842 rev10mo ago](https://www.amazon.com/dp/B0FQWDTBST) [**Eurzom 2 Pcs Mens Night Cap Adjustable Sleeping Caps Striped Pajama Hat with Pom Ball for Daily Costume Party Supplies(Light Blue and White)**Eurzom**$14.04**299 rev11mo ago](https://www.amazon.com/dp/B0FJKNK8L4) [**Silk Bonnet for Women Satin Bonnet for Sleeping Large Sleep Cap with Elastic Tie Band for Curly Hair (Bean Paste Pink)**Confvrter**$5.58**701 rev1y ago](https://www.amazon.com/dp/B0F7X1WNB7) [**Doitory Satin Silk Bonnet for Sleeping Double Layer Silk Sleep Cap for Men & Women Soft Satin Lined Bonnet for Natural & Curly Hair(Black)**Doitory**$9.61**2,136 rev1y ago](https://www.amazon.com/dp/B0DMSDC5MM) [**ZHENSILK Silk Hair Bonnet for Sleeping Women Men 2Pcs**ZHENSILK**$10.42**2,038 rev1y ago](https://www.amazon.com/dp/B0DG4WPKVV)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**CAPLORD Satin Bonnet for Sleeping Silk Sleep Cap Curly Hair Wrap Beanie Adjustable Satin Lined Night Cap Men Women Black**CAPLORD**$12.99**4.3★**▲ 98%**](https://www.amazon.com/dp/B0FQWDTBST) [**Silk Bonnet for Women Satin Bonnet for Sleeping Large Sleep Cap with Elastic Tie Band for Curly Hair (Bean Paste Pink)**Confvrter**$5.58**4.4★**▲ 61%**](https://www.amazon.com/dp/B0F7X1WNB7) [**LULUSILK 100% Mulberry Silk Bonnet for Sleeping Women and Men No More Frizzy Tangled Hair Real Silk Sleep Cap for Curly Hair Black Pack of 1**LULUSILK**$15.42**4.3★**▲ 55%**](https://www.amazon.com/dp/B0B4CZMC62) [**LULUSILK Mulberry Silk Bonnet for Sleeping Women No More Frizzy Tangled Hair Stay On All Night Silk Hair Wrap for Sleeping with Adjustable Strap Silk Sleep Cap for Women and Men Pink Pack of 1**LULUSILK**$15.29**4.3★**▲ 37%**](https://www.amazon.com/dp/B0C5BQ3CKV) [**YANIBEST Silk Bonnet for Men Women Hair Bonnet for Sleeping Double Layer Satin Bonnets for Black Women Curly Hair Sleep Cap Black**YANIBEST**$12.90**4.5★**▲ 36%**](https://www.amazon.com/dp/B0CYQ22VQ5)
**~~View all trending →~~**
## **What buyers say about night cap**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Comfort-Overall**15%
*“Comfortable to wear”*
**Quality-Overall**13%
*“It was also very affordable for the quality”*
**Size-Overall**12%
*“The fit was comfortable”*
**Soft Feel**10%
*“keeps my hair soft”*
**Value For Money**5%
*“Good value for money”*
**Advertised Vs Actual Product**4%
*“Arrived as described”*
**Color**4%
*“Great color choices”*
**Material Quality**3%
*“Good Material”*
**Adjustability/Rotatability/Reclining**3%
*“Comfortable and adjustable”*
**Ease Of Use**2%
*“easy fix”*
### **What buyers complain about **
**Size-Overall**22%
*“Does not fit”*
**Grip**7%
*“Slides off”*
**Material Quality**5%
*“Cheap and thin material”*
**Quality-Overall**5%
*“the quality is inconsistent”*
**Durability**4%
*“Falls off”*
**Comfort-Overall**4%
*“Not the most comfortable”*
**Advertised Vs Actual Product**3%
*“False Advertising”*
**Stretchability/Expandability/Elasticity**3%
*“Elastic Band is Way Too Tight”*
**Functionality-Overall**3%
*“Doesn't work as intended”*
**Smell**2%
*“it smells like rotten milk:'”*
### **Top return reasons **
**Size-Overall**42%
**Material Quality**9%
**Advertised Vs Actual Product**7%
**Functionality-Overall**7%
**Comfort-Overall**5%
**Grip**2%
**Quality-Overall**2%
**Color**2%
**Value For Money**2%
**Stretchability/Expandability/Elasticity**2%
## **Common questions**
- **Is night cap profitable to sell on Amazon United States?**
- The niche generates $74K/yr across 46 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -22.3%. Flapen's verdict: Skip it (47/100).
- **How competitive is the night cap niche?**
- 31 brands and 42 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 57% of demand.
- **What do buyers complain about in night cap?**
- Top complaints mined from reviews: Size-Overall, Grip, Material Quality. The return rate is 2.1%.
- **When does demand for night cap peak?**
- Demand peaks in Dec; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the night cap niche?**
- Listings span $4.89–$28.23; the average listing price is $11.49 (sweet spot $15–$100). The average incumbent carries 8,335 reviews — the moat a new listing must climb.
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