KDP categories · Top KDP authors
Sleep Disorders: Amazon KDP category data
Amazon Books Best Sellers data for Sleep Disorders, updated Nov 3, 2026: median price $12.99, median 436 reviews, average rating 4.4 and a KDPTop opportunity score of 23/100 (highly competitive).
| Price range (middle 50%) | $11.54 – $16.99 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 9% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 18% of the parent category Diseases & Physical Ailments (2,378), one of the easier corners under it.
- Its review barrier is higher than in 74% of Books categories: the median best seller has 436 reviews, so new books need time to build up.
Top 10 Sleep Disorders best sellers
-
Protocols: An Operating Manual for the Human Body
- List rank#1
- Price$25.95
- Rating4.6
- Reviews593
-
Why We Sleep: Unlocking the Power of Sleep and Dreams
by Matthew Walker PhD
- List rank#2
- Price$16.95
- Rating4.7
- Reviews34,646
-
Precious Little Sleep: The Complete Baby Sleep Guide for Modern Parents
by Alexis Dubief
- List rank#3
- Price$12.58
- Rating4.6
- Reviews3,504
-
Twelve Hours' Sleep by Twelve Weeks Old: A Step-by-Step Plan for Baby Sleep Success
by Suzy Giordano
- List rank#4
- Price$3.99
- Rating4.4
- Reviews3,223
-
The Body Teaches the Soul: Ten Essential Habits to Form a Healthy and Holy Life
- List rank#5
- Price$9.98
- Rating4.7
- Reviews386
-
Sounds of Nature with 432Hz Music to Relax, Fall asleep, Meditate, Heal: Ocean noise, rain, forest sounds, brook, bird calls, music for falling asleep, relaxation music
by Torsten Abrolat
- List rank#6
- Price$10.26
- Rating5.0
- Reviews1
-
Say Good Night To Insomnia
by Gregg D. Jacobs
- List rank#7
- Price$10.81
- Rating4.2
- Reviews1,907
-
Healthy Sleep Habits, Happy Child, 5th Edition: A New Step-by-Step Guide for a Good Night's Sleep
by Marc Weissbluth M.D.
- List rank#8
- Price$11.70
- Rating4.5
- Reviews646
-
The Sleeping World: Exploring Floating Gardens with an Axolotl
by Mumble Media
- List rank#9
- Price$5.22
- Reviews-
-
101 Brain Hacks for Better Sleep: Simple Science-Backed Ways to Fall Asleep Fast, Stop Waking Up at 3AM, and Sleep Through the Night Naturally
- List rank#10
- Price$17.70
- Rating5.0
- Reviews3
FAQ
Is Sleep Disorders a good niche for Amazon KDP?
Its KDPTop opportunity score is 23/100, which makes it highly competitive. The median best seller has 436 reviews and sells for $12.99.
How many reviews do you need to rank in Sleep Disorders?
The median best seller has 436 reviews, and 17% of them have fewer than 100.
What do Sleep Disorders best sellers cost?
The median price is $12.99; half of the best sellers are priced between $11.54 and $16.99.
Can new books break into Sleep Disorders?
9% 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.