Caffeine’s Secret Life: How It Disrupts Your Sleep Hours Later | Research Reflections
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Caffeine’s Secret Life: How It Disrupts Your Sleep Hours Later | Research Reflections
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About this listen
Can your morning coffee really keep you awake at night? In this episode of Research Reflections, we explore a recent study investigating how the dose and timing of caffeine affect sleep—even many hours after drinking it.Learn what the research says about moderate vs. high doses, hidden sleep disruptions, and how you might adjust your caffeine habits for better rest.
Study Referenced: Gardiner CL, Weakley J, Burke LM, Fernandez F, Johnston RD, Leota J, Russell S, Munteanu G, Townshend A, Halson SL. Dose and timing effects of caffeine on subsequent sleep: a randomized clinical crossover trial. Sleep. 2025 Apr 11;48(4):zsae230. doi: 10.1093/sleep/zsae230. PMID: 39377163; PMCID: PMC11985402.
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