zzzquil
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 6% kills the launch gate
Conversion
Okay4.0%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+6.9%90-day search growth — must beat 0% to launch
Avg price
Okay$9.11avg listing price — sweet spot $15–$100
Review moat
Bad21,150avg incumbent reviews — the moat a new listing must climb
Market size
Bad$44K$44K/yr · 121K searches
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Price range
Bad$5.64–$13.54cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
3 flat
Sellers
31
Top-5 brand share
100%
Open market
0%
- Amazon Basic Care87%
- HealthA2Z8%
- Unisom5%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 5 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Amazon Basic Care Nighttime Sleep Aid Tablets for Adults Doxylamine Succinate 25 mg 96 Count
Amazon Basic Care$10.144.4★41,104 rev

Amazon Basic Care Nighttime Sleep-Aid Liquid for Adults Helps Fall Asleep Fast Diphenhydramine HCl 50 mg Mixed Berry Flavor 12 fl oz (Pack of 1)
Amazon Basic Care$5.644.5★7,621 rev

Unisom SleepTabs Nighttime Sleep-aid Doxylamine Succinate 80 Tablets
Unisom$13.544.6★12,439 rev

HealthA2Z Sleep Aid Diphenhydramine Softgels 50mg Supports Deeper Restful Sleeping (100 Counts)
HealthA2Z$6.164.5★22,293 rev

HealthA2Z Sleep Aid Diphenhydramine Softgels 50mg Supports Deeper Restful Sleeping (250 Counts)
HealthA2Z$10.074.5★22,293 rev
Newest
by launch date
HealthA2Z Sleep Aid Diphenhydramine Softgels 50mg Supports Deeper Restful Sleeping (100 Counts)
HealthA2Z$6.1622,293 rev

HealthA2Z Sleep Aid Diphenhydramine Softgels 50mg Supports Deeper Restful Sleeping (250 Counts)
HealthA2Z$10.0722,293 rev

Amazon Basic Care Nighttime Sleep-Aid Liquid for Adults Helps Fall Asleep Fast Diphenhydramine HCl 50 mg Mixed Berry Flavor 12 fl oz (Pack of 1)
Amazon Basic Care$5.647,621 rev

Amazon Basic Care Nighttime Sleep Aid Tablets for Adults Doxylamine Succinate 25 mg 96 Count
Amazon Basic Care$10.1441,104 rev

Unisom SleepTabs Nighttime Sleep-aid Doxylamine Succinate 80 Tablets
Unisom$13.5412,439 rev
Trending
90-day click momentum
HealthA2Z Sleep Aid Diphenhydramine Softgels 50mg Supports Deeper Restful Sleeping (100 Counts)
HealthA2Z$6.164.5★

Unisom SleepTabs Nighttime Sleep-aid Doxylamine Succinate 80 Tablets
Unisom$13.544.6★

Amazon Basic Care Nighttime Sleep-Aid Liquid for Adults Helps Fall Asleep Fast Diphenhydramine HCl 50 mg Mixed Berry Flavor 12 fl oz (Pack of 1)
Amazon Basic Care$5.644.5★

Amazon Basic Care Nighttime Sleep Aid Tablets for Adults Doxylamine Succinate 25 mg 96 Count
Amazon Basic Care$10.144.4★

HealthA2Z Sleep Aid Diphenhydramine Softgels 50mg Supports Deeper Restful Sleeping (250 Counts)
HealthA2Z$10.074.5★
Demand & seasonality
Weekly Amazon search volume, last 97 weeks — +6.9% search growth over the last 90 days.Peak months: Jan, Aug, Sep, Oct · busiest ÷ quietest = 2.4×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Helps With Sleep”
“Best price”
“Works quickly”
“the tablets have been consistent in quality”
“As advertised”
“Very good 👍 These pills help instantly I recommend for everyone to buy”
“it doesnt leave any weird aftertaste”
“Easy to use”
“ease of swallow”
“The effects are consistent”
What buyers complain about
“Did not help me sleep”
“Not effective”
“Disgusting taste”
“Although I try to take half of dosage”
“terrible side effects”
“Not as strong as needed”
“much more expensive”
“Garbage”
“allergic reaction”
“The chemical is psycho-active”