Caffeine resets body’s clock

After-dinner coffee induces 40-minute time delay

a latte

JAVA JOLT  An evening dose of caffeine delayed people’s body rhythms by 40 minutes, a new study shows. 

Zach Inglis/Flickr (CC BY-NC 2.0)

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Post-dinner coffee can lead to sleepless nights — not a surprise. A new study helps reveal why.