---
title: "Serenitas Pastillas Para Dormir — $561K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/serenitas-pastillas-para-dormir"
last_updated: "2026-08-11T06:58:28.121Z"
locale: en
meta:
description: "Niche score 52/100 · $561K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $561K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Serenitas Pastillas Para Dormir — $561K/yr Amazon US Niche (2026) - Flapen"
---
# **serenitas pastillas para dormir**
**Worth a look**
Shows searches that convert (24.1% search→purchase), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Market size 62Growth 21Conversion 100Competition 15Returns 100Price range 82Avg price 90Brand share 0Review moat 23Quality gap 72
**Conversion**
**Incredible****24.1%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$21.12**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$7.98–$49.88**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****$561K**
$561K/yr · 110K searches
**Review moat**
**Bad****7,161.36**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-8.8%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****82%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, serenitas pastillas para dormir is a $561K/yr Amazon United States market (110K searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 52/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **serenitas pastillas para dormir market data**
- **Units sold / yr**
- **25K–30K**
- avg 2,500–3,000/product
- **Revenue / yr**
- **$528K–$634K**
- units × avg price
- **Conversion rate**
- **24.1%**
- **Avg BSR**
- **#410**
- **Page quality**
- **0%**
- **Prime**
- **91%**
- **Sponsored**
- **73%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **64 months**
- **Avg seller age**
- **155 days**
## **Competition & brand share**
The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▲rising
**Sellers**
**49**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**82%**
Top 20: 100%
**Open market**
**0%**
- Unisom73% - HealthA2Z17% - Savant Science7% - A+Health3%
## **Demand**
Weekly Amazon search volume, last 44 weeks — -8.8% search growth over the last 90 days.
2K2KSpike '25Holiday '25Spike '26Sep '25Oct '25Dec '25Feb '26Mar '26May '26
[**Open Trend **](https://flapen.com/research/us/health-household/serenitas-pastillas-para-dormir/trend)
## **Top serenitas pastillas para dormir search terms**
- **unisom sleepgels**52K/yr-11.6%32.0% conv. - **restora z sleep aid**10K/yr+1.3%1.4% conv. - **unison sleep gels**8K/yr-3.4%23.2% conv. - **restora-z**6K/yr+10.9%0.6% conv. - **health a2z sleep aid**6K/yr-16.0%15.6% conv. - **unisom sleep gels**6K/yr-13.9%25.4% conv. - **sleep gels**4K/yr+15.7%14.5% conv. - **restora z**4K/yr+1.4%1.8% conv. - **healtha2z sleep aid**3K/yr-13.2%18.3% conv. - **diphenhydramine citrate**3K/yr-13.7%2.9% conv. [**All search terms **](https://flapen.com/research/us/health-household/serenitas-pastillas-para-dormir/search-terms)
## **Top serenitas pastillas para dormir 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%15%$84K30%$168K45%$252K60%$336K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Unisom SleepGels Nighttime Sleep Aid Capsules for Adults Diphenhydramine HCI 50mg Non-Habit-Forming Sleep Medicine for Relief from Occasional Sleeplessness 100 Count**Unisom**$15.66**4.6★13,790 rev](https://www.amazon.com/dp/B07613ZLWT) [2**HealthA2Z Sleep Aid Diphenhydramine Softgels 50mg Supports Deeper Restful Sleeping (250 Counts)**HealthA2Z**$10.07**4.5★22,293 rev](https://www.amazon.com/dp/B0848WCZFM) [3**Unisom SleepGels Nighttime Sleep-aid Diphenhydramine HCI 50 mg 32 SoftGels**Unisom**$7.98**4.5★4,332 rev](https://www.amazon.com/dp/B004AI35JG) [4**Unisom SleepGels Nighttime Sleep Aid Capsules for Adults Diphenhydramine HCI 50mg Non-Habit-Forming Sleep Medicine for Relief from Occasional Sleeplessness 100 Count (2 Pack)**Unisom**$31.51**4.6★13,790 rev](https://www.amazon.com/dp/B0FCZ93FTQ) [5**Savant Science RestoreZ Deep Asleep (60 Capsules) Natural Sleep Supplement - Combat Nighttime Disruptions and Restore Your Sleep - Non-Habit Forming Sleep Aid**Savant Science**$49.88**3.3★214 rev](https://www.amazon.com/dp/B07L7X16CK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Unisom SleepGels Nighttime Sleep Aid Capsules for Adults Diphenhydramine HCI 50mg Non-Habit-Forming Sleep Medicine for Relief from Occasional Sleeplessness 100 Count (2 Pack)**Unisom**$31.51**13,790 rev1y ago](https://www.amazon.com/dp/B0FCZ93FTQ) [**Unisom Nighttime Sleep-Aid Gels Diphenhydramine HCI 100 Count (Pack of 2)**Unisom**$20.76**234 rev1y ago](https://www.amazon.com/dp/B0DV3YXKXT) [**A+Health Nighttime Sleep Aid Diphenhydramine 50mg Softgels Maximum Strength 160 Count**A+Health**$10.27**3,523 rev5y ago](https://www.amazon.com/dp/B093ML2TLT) [**HealthA2Z Sleep Aid Diphenhydramine Softgels 50mg Supports Deeper Restful Sleeping (250 Counts)**HealthA2Z**$10.07**22,293 rev6y ago](https://www.amazon.com/dp/B0848WCZFM) [**Savant Science RestoreZ Deep Asleep (60 Capsules) Natural Sleep Supplement - Combat Nighttime Disruptions and Restore Your Sleep - Non-Habit Forming Sleep Aid**Savant Science**$49.88**214 rev7y ago](https://www.amazon.com/dp/B07L7X16CK)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Savant Science RestoreZ Deep Asleep (60 Capsules) Natural Sleep Supplement - Combat Nighttime Disruptions and Restore Your Sleep - Non-Habit Forming Sleep Aid**Savant Science**$49.88**3.3★**▲ 61%**](https://www.amazon.com/dp/B07L7X16CK) [**Unisom SleepGels Nighttime Sleep-aid Diphenhydramine HCI 50 mg 32 SoftGels**Unisom**$7.98**4.5★**▲ 42%**](https://www.amazon.com/dp/B004AI35JG) [**A+Health Nighttime Sleep Aid Diphenhydramine 50mg Softgels Maximum Strength 160 Count**A+Health**$10.27**4.3★**▲ 40%**](https://www.amazon.com/dp/B093ML2TLT) [**Unisom SleepTabs Nighttime Sleep-aid Doxylamine Succinate 80 Tablets**Unisom**$13.54**4.6★**▲ 13%**](https://www.amazon.com/dp/B01683HFGY) [**Unisom SleepGels Nighttime Sleep Aid Capsules for Adults Diphenhydramine HCI 50mg Non-Habit-Forming Sleep Medicine for Relief from Occasional Sleeplessness 100 Count**Unisom**$15.66**4.6★**— 9%**](https://www.amazon.com/dp/B07613ZLWT)
**~~View all trending →~~**
## **What buyers say about serenitas pastillas para dormir**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Sleep Quality**47%
*“Help with sleep”*
**Value For Money**12%
*“Best value”*
**Quality-Overall**8%
*“the tablets have been consistent in quality”*
**Efficiency**6%
*“Highly Effective”*
**Dosage**4%
*“one dose has been enough for me”*
**Advertised Vs Actual Product**3%
*“AS ADVERTISED”*
**Ease Of Chewing/Swallowing**2%
*“I'm really glad I got what I ordered, because, although a little bigger, they're much easier to swallow and there's no horrible taste like the Tablets have”*
**Side Effects**2%
*“have no side effects”*
**Ease Of Use**1%
*“Very easy, great with warm tea or even water”*
**Stress/Anxiety**1%
*“Helps when Im already tired”*
### **What buyers complain about **
**Sleep Quality**37%
*“No sleep”*
**Functionality-Overall**15%
*“This product does not do a thing”*
**Side Effects**6%
*“After effects were not good”*
**Dosage**5%
*“Although I try to take half of dosage”*
**Value For Money**3%
*“much more expensive”*
**Strength**2%
*“Not strong enough to keep tou asleep”*
**Taste-Overall**2%
*“Fast acting, taste is normal size is small”*
**Ease Of Use**2%
*“Can't use”*
**Size-Overall**1%
*“This is very small”*
**Smell**1%
*“It had a foul smell as well”*
### **Top return reasons **
**Sleep Quality**50%
**Ease Of Cleaning**50%
## **Common questions**
- **Is serenitas pastillas para dormir profitable to sell on Amazon United States?**
- The niche generates $561K/yr across 11 tracked products. 90-day search growth is -8.8%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the serenitas pastillas para dormir niche?**
- 4 brands and 49 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in serenitas pastillas para dormir?**
- Top complaints mined from reviews: Sleep Quality, Functionality-Overall, Side Effects. The return rate is 0.0%.
- **What does it cost to enter the serenitas pastillas para dormir niche?**
- Listings span $7.98–$49.88; the average listing price is $21.12 (sweet spot $15–$100). The average incumbent carries 7,161 reviews — the moat a new listing must climb.
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