Coffee, caffeine, and sleep: A systematic review of epidemiological studies and randomized controlled trials

Clark I, Landolt HP (2018) Sleep Medicine Reviews
Title and abstract of Coffee, caffeine, and sleep: A systematic review of epidemiological studies and randomized controlled trials

Key Takeaway

Systematic review supporting strategic caffeine timing aligned with circadian rhythms for optimal alertness without sleep disruption.

Summary

This comprehensive review examines the relationship between coffee, caffeine, and sleep from a chronobiological perspective.

Evidence supports timing caffeine intake to work with natural circadian rhythms, avoiding consumption during natural alertness peaks and several hours before sleep.

Methods

  • Systematic literature review
  • Chronobiology focus
  • Sleep outcome analysis
  • Timing recommendations

Key Results

  • Circadian timing matters
  • Individual differences significant
  • Genetic factors influence response
  • Strategic timing optimizes benefits

Limitations

  • Review article
  • Individual variation
  • Practical application varies

Related Studies

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Source

View on PubMed →

DOI: 10.1016/j.smrv.2016.01.006