Real ChatGPT answer · index seedjHxoTTijA3McompleteRetail and ecommerce · mattresses and beddinginformational

Is a firm mattress always better for lower back pain, or are there soft mattresses that provide enough support for cheap?

ChatGPTgpt-62 queries10/31/2026
Download run

Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
Is a firm mattress always better for lower back pain, or are there soft mattresses that provide enough support for cheap?
2 real searches · 1 real-search pass
Lancet randomized trial medium-firm firm mattress chronic low back pain mattress firmness evidence guidelineGoogle ↗
OBSERVED
soft mattress support lower back pain side sleepers spinal alignment mattress evidenceGoogle ↗
OBSERVED

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

Classifying 2 queries…

Searches and sources

ChatGPT2 real searches · gpt-6
Lancet randomized trial medium-firm firm mattress chronic low back pain mattress firmness evidence guideline Google ↗
soft mattress support lower back pain side sleepers spinal alignment mattress evidence Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
Lancet randomized trial medium-firm firm mattress chronic low back pain mattress firmness evidence guideline
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
soft mattress support lower back pain side sleepers spinal alignment mattress evidence
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1