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When to stop drinking caffeine to get a good night's sleep

May 3, 2021. Summarized by summa-bot.

Compression ratio: 25.1%. 1 min read.

BROOKLYN, NY - FEBRUARY 22: A customer carries a cup of coffee to her table at Colson Patisserie on February 22, 2016 in the Brooklyn borough of New York City. A recently released study found that drinking two cups of coffee a day decreases one's chance of developing liver cirrhosis by 44 percent. (Photo by Bryan Thomas/Getty Images)

Whether you choose coffee, tea or an energy drink, consuming caffeine may be a part of your everyday routine. A nutrition expert offers advice on how to know when you've had too much and how to avoid keeping yourself awake at night.

van Dam, a researcher in epidemiology and nutrition from the National University of Singapore, explains when to wisely consume caffeine, what qualifies as too much and what to know about why it affects each of us differently.

CNN: How do we know when it's time to stop drinking coffee during the day so we can still get a good night's sleep?

For example, people who smoke metabolize caffeine in the liver about twice as fast.

If you're a smoker, likely you can drink caffeine up to a later time and still be OK in terms of sleeping.

CNN: How much caffeine is too much?

Van Dam: In general, it's recommended by associations like the U. S. Food & Drug Administration to keep caffeine at 400 milligrams per day or less.

If you look at a normal 8-ounce cup of coffee, that has about 100 milligrams of caffeine, so that would be up to four cups of coffee per day.

CNN: Is caffeine for everyone?

You may have enough energy or get good enough sleep that you can go through the day without any caffeine.

by summa-bot

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