AI Shelf Index · Mattresses
Which mattress brands does AI recommend?
Every month we ask ChatGPT, Perplexity and Gemini the same 3 mattresses questions with web search on, and count the brands they name. Same prompts every month, so the trend is the story.
The first mattresses edition is being collected.
An edition publishes once at least 90% of the month's answers are in. Below are the exact prompts it asks and what each one needs from a product page. To track your own brand now, start a weekly Shelf Watch.
What the prompts ask for
How a mattresses brand gets named
Mattress prompts pair a sleeper with a problem: side sleeper with back pain, sleeps hot, best value online. Every online brand claims all three, so assistants lean on specifics and on what reviewers and testers repeat.
Put each fact on the product page as text, in your Product structured data (as an additionalProperty where schema.org has no field for it), in your Shopify category metafields and in your Merchant Center feed's product_detail and product_highlight. Then check whether the sites assistants cite say the same thing.
| The shopper asks | The fact that answers it |
|---|---|
| “side sleepers with back pain” | Firmness on a stated scale, construction layers and the sleeping positions it's designed for |
| “a mattress that sleeps cool” | The cooling materials and how they work, in text, not only in a hero image |
| “best value online” | Price by size, trial length, warranty terms and return conditions, as structured data where you can |
Panel
The 3 mattresses prompts
- 1.What's the best mattress for side sleepers with back pain? I'm shopping online in the United States.
- 2.Recommend a mattress that sleeps cool. I'm shopping online in the United States.
- 3.Which online mattress brands are the best value? I'm shopping online in the United States.
Fixed since the first edition. How the count works and its limits are on the Index page; journalists and researchers can find citation terms and raw data on Research.
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