Why caffeine affects morning people more than night owls

mnn.com 02 Mar '12, 7pm

Why caffeine affects morning people more than night owls

COFFEE HABITS: Coffee's occasional disruption of sleep depends on the type of person, and caffeine can linger longer in some than in others. (Photo: CREATISTA /Shutterstock) Caffeine will get you going during the day but could leave you tossing and turning at night – unless you're a "night owl" to begin with, a new study suggests. In the study, "morning people" who consumed caffeine during the day appeared more likely than late risers to awaken in the middle of their nighttime sleep. The researchers said this is the first study to link caffeine intake with "chronotype," the categorizing of people by the time of day they are most alert and active. The findings are preliminary and more research is needed to confirm them, the researchers added. Fifty college students were asked to record their caffeine consumption and their sleeping and waking times for a week. The students w...

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@kellywin1 » 07 Mar '12, 11am
RT @NealEngelking: Why caffeine affects morning people more than night owls [link]
@zinggzingga » 04 Mar '12, 3pm
RT @JimHarris: Why caffeine affects morning people more than night owls | MNN - Mother Nature Network [link]
@JimHarris » 04 Mar '12, 3pm
Why caffeine affects morning people more than night owls | MNN - Mother Nature Network [link]
@wheresmyjetpack » 03 Mar '12, 3pm
Early bird risers more affected by late day caffeine consumption. [link]
@fendixiii » 03 Mar '12, 2pm
That explains it. RT @MotherNatureNet: "Why caffeine affects morning people more than night owls [link]"
@setalyas » 03 Mar '12, 11am
Why caffeine affects morning people more than night owls [link] love a good bit of chronotyping, me!
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RT @cafescape: Why caffeine affects morning people more than night owls [link]
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Why caffeine affects morning people more than night owls [link]
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Why caffeine affects morning people more than night owls [link]
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Why caffeine affects morning people more than night owls [link]