Real ChatGPT answer · index seedOIRHoFTA0YgcompleteHealth and wellness · sleepinformational

Are there any scientific studies showing that a heavy weighted blanket actually lowers cortisol levels and improves deep sleep phases?

ChatGPTgpt-63 queries10/31/2026
Download run

Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
Are there any scientific studies showing that a heavy weighted blanket actually lowers cortisol levels and improves deep sleep phases?
3 real searches · 1 real-search pass
weighted blanket cortisol levels study randomized trial cortisol sleep deep sleep slow wave sleep polysomnographyGoogle ↗
OBSERVED
weighted blanket sleep systematic review meta-analysis randomized controlled trial 2024Google ↗
OBSERVED
weighted blanket polysomnography N3 slow wave sleep cortisol studyGoogle ↗
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 3 queries…

Searches and sources

ChatGPT3 real searches · gpt-6
weighted blanket cortisol levels study randomized trial cortisol sleep deep sleep slow wave sleep polysomnography Google ↗
weighted blanket sleep systematic review meta-analysis randomized controlled trial 2024 Google ↗
weighted blanket polysomnography N3 slow wave sleep cortisol study Google ↗

Queries

3 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
weighted blanket cortisol levels study randomized trial cortisol sleep deep sleep slow wave sleep polysomnography
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
weighted blanket sleep systematic review meta-analysis randomized controlled trial 2024
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
weighted blanket polysomnography N3 slow wave sleep cortisol study
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1