KDP categories · Top KDP authors
Sleep: Amazon KDP category data
Amazon Books Best Sellers data for Sleep, updated Nov 2, 2026: median price $7.55, median 3,046 reviews, average rating 4.8 and a KDPTop opportunity score of 17/100 (highly competitive).
| Price range (middle 50%) | $5.83 – $9.99 |
|---|---|
| Average rating | 4.8 |
| New releases (90 days) | 8% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its review barrier is higher than in 95% of Books categories: the median best seller has 3,046 reviews, so new books need time to build up.
- At $7.55 its median price is below 96% of Books categories, so it is a volume game.
Top 10 Sleep best sellers
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How to Catch a Monster: A Halloween Picture Book for Kids About Conquering Fears!
by Adam Wallace
- List rank#2
- Price$5.90
- Rating4.8
- Reviews4,751
-
The Wonderful Things You Will Be
by Emily Winfield Martin
- List rank#3
- Price$9.45
- Rating4.9
- Reviews32,943
-
Little Blue Truck's Halloween: A Fun And Interactive Lift-the-Flap Book For Kids Celebrating Halloween With Little Blue Truck And Friends
- List rank#4
- Price$7.43
- Rating4.9
- Reviews15,054
-
Pete the Cat: Trick or Pete: A Fun And Interactive Lift-the-Flap Halloween Adenture Featuring Everyone's Favorite Cat
by James Dean
- List rank#5
- Price$6.28
- Rating4.8
- Reviews5,321
-
You're My Little Sunshine (Board Book for Babies and Toddlers 0-2 years old)
- List rank#6
- Price$4.79
- Rating4.9
- Reviews2,119
-
Creepy Pair of Underwear! (Jasper Rabbit's Creepy Tales!)
- List rank#7
- Price$9.37
- Rating4.8
- Reviews6,111
-
Goodnight, Goodnight, Construction Site
- List rank#8
- Price$5.02
- Rating4.9
- Reviews26,053
-
Pete the Cat: I Love My White Shoes: A Groovy Story About Pete the Cat and His Colorful Shoes on a School Day Adventure
by James Dean
- List rank#9
- Price$10.91
- Rating4.9
- Reviews13,314
-
Biscuit Visits the Pumpkin Patch: A Fun and Friendly Adventure for Toddlers Celebrating Fall, Halloween, and Pumpkin Picking
- List rank#10
- Price$4.74
- Rating4.8
- Reviews2,668
FAQ
Is Sleep a good niche for Amazon KDP?
Its KDPTop opportunity score is 17/100, which makes it highly competitive. The median best seller has 3,046 reviews and sells for $7.55.
How many reviews do you need to rank in Sleep?
The median best seller has 3,046 reviews, and 4% of them have fewer than 100.
What do Sleep best sellers cost?
The median price is $7.55; half of the best sellers are priced between $5.83 and $9.99.
Can new books break into Sleep?
8% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.