---
title: "serenitas pastillas para dormir — Niche Verdict: Worth a look (52/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/health-household/serenitas-pastillas-para-dormir"
last_updated: "2026-07-14T05:23:19.757Z"
locale: en
meta:
  description: "serenitas pastillas para dormir 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."
  "og:description": "serenitas pastillas para dormir 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."
  "og:title": "serenitas pastillas para dormir — Niche Verdict: Worth a look (52/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **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 6% 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

## **Competition**

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%**

**Open market**

**0%**

- Unisom73% - HealthA2Z17% - Savant Science7% - A+Health3%

## **Product shelf**

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](https://m.media-amazon.com/images/I/41sIglFgLHL.jpg)**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)](https://m.media-amazon.com/images/I/414ARZfvMDL.jpg)**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](https://m.media-amazon.com/images/I/51YsRKQBlRL.jpg)**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)](https://m.media-amazon.com/images/I/41Zz+IFiUgL.jpg)**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](https://m.media-amazon.com/images/I/41u+gn1iANL.jpg)**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)](https://m.media-amazon.com/images/I/41Zz+IFiUgL.jpg)**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)](https://m.media-amazon.com/images/I/51SU2F9jN2L.jpg)**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](https://m.media-amazon.com/images/I/31WW4ZSLYvL.jpg)**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)](https://m.media-amazon.com/images/I/414ARZfvMDL.jpg)**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](https://m.media-amazon.com/images/I/41u+gn1iANL.jpg)**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](https://m.media-amazon.com/images/I/41u+gn1iANL.jpg)**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](https://m.media-amazon.com/images/I/51YsRKQBlRL.jpg)**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](https://m.media-amazon.com/images/I/31WW4ZSLYvL.jpg)**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](https://m.media-amazon.com/images/I/41nOo22lPKL.jpg)**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](https://m.media-amazon.com/images/I/41sIglFgLHL.jpg)**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 →~~**

## **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

## **Reviews**

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%