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Caffeine 6 Hours Before Bed Still Cuts Your Sleep
Caffeine consumed 6 hours before bedtime significantly impairs sleep quality and duration. This research demonstrates that caffeine's effects on sleep persist well into the evening, affecting circadian rhythms and sleep architecture.
Built for AI agentsACO · 33 tokens
Summary
Caffeine consumed 6 hours before bedtime significantly impairs sleep quality and duration. This research demonstrates that caffeine's effects on sleep persist well into the evening, affecting circadian rhythms and sleep architecture.
Tags
caffeine · sleep · circadian-rhythm · sleep-deprivation · health-science · timing
Key entities
caffeine (concept, 0.95) · sleep (concept, 0.95) · circadian-rhythm (concept, 0.85) · PMC/NCBI (organization, 0.9)
Classification
reference · language en · status final
Provenance
claude-haiku-4-5 via @stacklist/mcp-server@2.0.0, confidence 0.85, 2 Nov 2026