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Caffeine More Likely To Disrupt Sleep In Morning People, Study Finds

Are you a morning person?

Then that cup of coffee during the day is more likely to mess with your sleep, according to a new study first reported by MyHealthNewsDaily.

Researchers from Stanford University examined the caffeine consumption and sleep patterns of 50 college students (they wore wrist monitors so that the researchers would know when they were experiencing a period of wakefulness during sleep), MyHealthNewsDaily reported.

The researchers found that after consuming caffeine during the day, the late sleepers were less likely to have disrupted sleep than the people who woke up early, according to MyHealthNewsDaily.

According to ABC News, a recent round-up of the research on caffeine in The Cochrane Library showed that the stimulant largely helps to improve memory and performance, and can even help people concentrate better.

However, Dr. Donna Arand, clinical director of the Kettering Sleep Disorder Center, told ABC News that there is evidence that caffeine can affect how long it takes you to fall asleep.

Recently, we reported on a new smartphone app called "Caffeine Zone," which can help people figure out when they should stop drinking their caffeine-source-of-choice in order to get a good night's rest.

"Many people don't understand how caffeine levels in their bloodstream go up and how they go down," Frank Ritter, a professor at Penn State University, said in a statement. "It's important to understand the effect that caffeine can have at these various levels."

For more effects of caffeine on our bodies, make sure to read our piece here. And click through the slideshow to see how much caffeine is in your favorite drinks:

Caffeine In Drinks