King Side Sleeper Pillow
FailThe average product has 38,578 reviews to catch up to, so King Side Sleeper Pillow is a Fail.
- Flapen Score
- 48 / 100Ranks 5,923 of 11,240 Home & Kitchen niches · −1 vs the category median of 4948
- Market size
- $102K/yr46K searches / yr
- 90-day growth
- -14.2%search demand this quarter
- Competition
- 53%top-5 click share · 21 brands · 32 sellers
Flapen Score
King Side Sleeper Pillow against its category
The dotted line is the Home & Kitchen average. Past it, King Side Sleeper Pillow is stronger. Inside it, weaker.
Market
The King Side Sleeper Pillow market on Amazon at a glance
Shoppers on Amazon United States searched for King Side Sleeper Pillow 46K times last year and spent an estimated $102K. The top 5 brands take 65% of clicks. Demand peaks in Feb. Flapen scores it 48 out of 100, a Fail.
01 · Demand
An estimated 4.7% of those searches ended in a purchase.
Shoppers searched for this 46K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.7% of those searches ended in a purchase. Searches in the last 90 days moved -14.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $102K a year.
- Searches, last 12 months
- 46K
- Growth, 90 days vs prior 90
- -14.2%
- Conversion, latest week
- 4.7%
- Market size, estimated
- $102Ka year
- Peak month
- February1.8× the quietest month
- Top search term
- king size pillows for side sleepers9K searches a year
02 · Price
A sale here is worth $47.39.
Listings sell for $47.39 on average, from $22.49 to $88.30. Amazon reports units sold in ranges. This niche sold 3K to 3K a year. The average listing sells 100 to 250 of them. At $47.39 that is $5K to $12K a year per listing.
- Average price
- $47.39inside the $15 to $100 sweet spot
- Price range
- $22.49–$88.30
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–3K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $5K–$12K
- Returns
- 2.5%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #44 within Bed Pillows & Positioners. It carries 38,578 reviews at 4.42 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #44in Bed Pillows & Positioners
- Average rating
- 4.42 starsAmazon United States average 4.42 stars
- Average reviews
- 38,578per listing
- Listings tracked
- 26
04 · Newcomers
5 of last year's 5 launches cleared the first-year sales bar.
5 products launched here in the last 12 months. 5 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 33 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 5
- Successful launches
- 5Amazon's first-year sales bar
- Average brand age
- 33 months
Products
Top King Side Sleeper Pillow products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 16, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Beckham Hotel Collection Bed Pillows King Size Set of 2 - Down Alternative Pillow for Back Stomach or Side Sleepers
- Price
- $69.09
- Rating
- 4.4/5
- Reviews
- 261,511
- Age
- 9y ago
Utopia Bedding Bed Pillows for Sleeping King Size (White) Set of 2 Soft & Fluffy Pillow with Down Alternative Filling Cooling Hotel Quality Gusseted Pillow for Back Stomach or Side Sleepers
- Price
- $30.73
- Rating
- 4.5/5
- Reviews
- 78,145
- Age
- 7y ago
Beckham Hotel Collection Bed Pillows Standard/Queen Size Set of 2 - Original Soft Down Alternative Pillow for Sleeping - Soft Support for Back Stomach or Side Sleepers
- Price
- $50.96
- Rating
- 4.4/5
- Reviews
- 261,511
- Age
- 9y ago
Love Attitude Shredded Memory Foam Pillows King Size Set of 2 Cooling Pillow Firm and Soft Adjustable for Side Back Stomach Sleepers
- Price
- $54.59
- Rating
- 4.4/5
- Reviews
- 3,809
- Age
- 3y ago
ROUMEA Pillows King Size Set of 2 Gusseted Bed Pillows for Sleeping 2 Pack Luxury Hotel Quality Supportive King Pillow with Soft Down Alternative for Back Stomach Side Sleepers Machine Washable
- Price
- $32.60
- Rating
- 4.4/5
- Reviews
- 2,463
- Age
- 2y ago
Trending
estimated 90-day click momentum
Side Sleeper Pillow for Adults King Size Cooling Pillow for Neck and Shoulder Pain Relief Adjustable Firm Soft Shredded Memory Foam Pillows for Side Back Stomach Sleepers Bed Pillows for Sleeping
- Price
- $39.32
- Rating
- 4.4/5
- Reviews
- 22,881
- Age
- 7mo ago
SurChic Luxury Adjustable Pillows King Size for Side Sleepers Dual Layer Adjust Height Soft Firm Cooling Bed Pillow for Back Stomach or Side Sleepers - Hotel Collection
- Price
- $55.41
- Rating
- 4.6/5
- Reviews
- 33
- Age
- 6mo ago
ezepilw King Size Pillows Set of 2 for Sleeping Cooling Adjustable Memory Foam Pillows Dual Fill Design Helps Maintain Shape Breathable Washable Cover
- Price
- $35.43
- Rating
- 4.5/5
- Reviews
- 180
- Age
- 4mo ago
Serta Hotel Collection Bed Pillows King Size Set of 2 400 Thread Count 100% Cotton Cover Medium Support Gusseted Down Alternative Pillow for Back Stomach or Side Sleepers 18 x 34 White
- Price
- $53.83
- Rating
- 4.4/5
- Reviews
- 504
- Age
- 6mo ago
ROUMEA Pillows King Size Set of 2 Gusseted Bed Pillows for Sleeping 2 Pack Luxury Hotel Quality Supportive King Pillow with Soft Down Alternative for Back Stomach Side Sleepers Machine Washable
- Price
- $32.60
- Rating
- 4.4/5
- Reviews
- 2,463
- Age
- 2y ago
Newest
by launch dateezepilw King Size Pillows Set of 2 for Sleeping Cooling Adjustable Memory Foam Pillows Dual Fill Design Helps Maintain Shape Breathable Washable Cover
- Price
- $35.43
- Rating
- 4.5/5
- Reviews
- 180
- Age
- 4mo ago
Serta Hotel Collection Bed Pillows King Size Set of 2 400 Thread Count 100% Cotton Cover Medium Support Gusseted Down Alternative Pillow for Back Stomach or Side Sleepers 18 x 34 White
- Price
- $53.83
- Rating
- 4.4/5
- Reviews
- 504
- Age
- 6mo ago
SurChic Luxury Adjustable Pillows King Size for Side Sleepers Dual Layer Adjust Height Soft Firm Cooling Bed Pillow for Back Stomach or Side Sleepers - Hotel Collection
- Price
- $55.41
- Rating
- 4.6/5
- Reviews
- 33
- Age
- 6mo ago
Side Sleeper Pillow for Adults King Size Cooling Pillow for Neck and Shoulder Pain Relief Adjustable Firm Soft Shredded Memory Foam Pillows for Side Back Stomach Sleepers Bed Pillows for Sleeping
- Price
- $39.32
- Rating
- 4.4/5
- Reviews
- 22,881
- Age
- 7mo ago
LOVELYREST Memory Foam Pillows 2 Pack Adjustable Loft Cooling Pillows King Size Set of 2 for Sleeping Firm Supportive and Breathable Design for Hot Side Back and Stomach Sleepers
- Price
- $35.79
- Rating
- 4.4/5
- Reviews
- 618
- Age
- 8mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 53% of clicks. Leaders hold, but buyers still shop past them.
Brands
21 rising
Sellers
32
Est. top-5 brand share
65%
Top 20: 99%
Est. top-5 click share
53%
Top 20: 92%
Open market
32%
- Beckham Hotel Collection32%
- Utopia Bedding18%
- Love Attitude5%
- ROUMEA5%
- Sasttie4%
- ACCURATEX4%
Demand
King Side Sleeper Pillow search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Feb · busiest ÷ quietest = 1.8×
Search terms
Top King Side Sleeper Pillow search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- king size pillows for side sleepers9K/yr
- king pillow side sleeper7K/yr
- king pillows for side sleepers6K/yr
- king pillows side sleeper4K/yr
- best pillows for side sleepers king size6K/yr
- king size pillow side sleeper5K/yr
- beckham pillows king size set of 22K/yr
- beckham hotel collection bed pillows gel4K/yr
- beckham hotel collection bed pillows king4K/yr
Reviews and returns
What reviews say buyers love and hate about King Side Sleeper Pillow
We read the reviews and the return reasons for every product selling here.
“Theyre not as comfortable as described for us”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
13 topics
Keep looking
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Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common King Side Sleeper Pillow questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data