Real ChatGPT answer · index seedLX4e6LfU4gocompleteHealth and wellness · sleepcomparison

Is a memory foam mattress or a hybrid mattress better for lower back pain if I sleep hot and wake up stiff every single morning?

ChatGPTgpt-62 queries11/1/2026
Download run

Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
Is a memory foam mattress or a hybrid mattress better for lower back pain if I sleep hot and wake up stiff every single morning?
2 real searches · 1 real-search pass
medium firm mattress chronic low back pain randomized trial mattress firmness study hybrid memory foam heat sleep evidenceGoogle ↗
OBSERVED
sleep foundation mattress back pain sleeping hot hybrid memory foam firmness 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
medium firm mattress chronic low back pain randomized trial mattress firmness study hybrid memory foam heat sleep evidence Google ↗
sleep foundation mattress back pain sleeping hot hybrid memory foam firmness evidence Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
medium firm mattress chronic low back pain randomized trial mattress firmness study hybrid memory foam heat sleep evidence
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
sleep foundation mattress back pain sleeping hot hybrid memory foam firmness evidence
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1