How long before bedtime should I stop drinking coffee to ensure it does not ruin my REM sleep stages
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
How long before bedtime should I stop drinking coffee to ensure it does not ruin my REM sleep stages
1 real search · 1 real-search pass
caffeine timing sleep REM sleep randomized study caffeine 8 10 hours before bedtime half lifeGoogle ↗
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 1 queries…
Searches and sources
ChatGPT1 real searches · gpt-6
caffeine timing sleep REM sleep randomized study caffeine 8 10 hours before bedtime half life Google ↗
- Regular Caffeine Intake Delays REM Sleep Promotion and Attenuates Sleep Quality in Healthy Men · pubmed.ncbi.nlm.nih.gov
- Dose and timing effects of caffeine on subsequent sleep: a randomized clinical crossover trial · pmc.ncbi.nlm.nih.gov