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8 Signs You’ve Had Enough Coffee for Today

Photo by Marcos Mesa Sam Wordley from

1. Insomnia

You’ve probably already guessed this side effect of caffeine. If you like drinking coffee more than once a day, you may think twice about getting a second one after 3 p.m. unless you’re planning to go to a party that night. Studies have shown that a normal-sized cup of coffee in the afternoon increases the amount of time your body needs to fall asleep. And if you’re older than 60 years old, you can also experience a decrease in sleep during the night.

What can you do? Well, if you love the taste of coffee and don’t drink it only because it has become a habit, you can alternate coffee and tea, but be careful and don’t consume black tea and coffee one after the other. Both of them contain caffeine, even if the black tea contains only a small amount compared to a regular cup of espresso. Furthermore, you can also get decaf, but be mindful because a lot of the selections are not completely caffeine-free, and most of them contain around 7 mg per cup.

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17 Responses

  1. That information was very useful to me because I was one who drink coffee on empty stomach. And with acid reflux it was not good. Drink decaf now and one cup. Thank you once again.

  2. I have been told ( by doctors ) two cups a day is great for kidneys helps to detoxify. Not my words so take it for what it’s worth and ask your doctor

  3. It contains acid too which is NOT healthy and coffee is a drug as it has side effects (all drugs do). Best to avoid coffee completely as I do. I just turned 84, never touch it and never will and have no desire for it,

    1. Many things out there that people drink or consume and most are not ph balanced. Moderation in all things that one should be mindful of. Stomach acid is highly acidic and will dissolve any organic compounds. Acid in coffee is extremely mild in comparison. If it wasn’t for the mucous lining the stomach the fluids would kill us all. People should keep their personal likes/dislikes opinions out of a serious conversation about this topic or any topic trying to sway others as factual.

  4. This information is very informative and yes, I would appreciate more information about how coffee affects the kidneys.
    Thank you kindly,

  5. During college, I probably over-used coffee, so in my early working years, I started realizing I’m one of many people who is “over-sensitive” to caffeine. Since I’m even over-sensitive to so-called De-caf coffee (which you rightly point out still has some caffeine in it), I drink a natural foods product called “Caffix” – which our local natural food store recently discontinued. (Wah.) Hope this article can convince more stores to carry alternative products.

  6. I drink the equivalent of 5 cups/day and have done so for over a decade. Been T2 for over 30yrs. A1C is fantastic, kidneys (uACR) are fine and above avg for a 30yr T2@ according to my Endocrinologist. BMI is ideal, BP avg 110/80, Cholesterol is gold standard and none of these symptoms have ever been experienced. Take this article and the follow up comments with a grain of salt.

  7. “But be careful and don’t consume black tea and coffee one after the other.” i remember a meeting I was in. The boss was waxing eloquent ( waxing the elephant we used to say ) And I drink coffee after coffee. It was a Saturday morning, and when the meeting was over I was so wired. I decided to mow the lawn, whether I needed to turn or not, with a push mower. I guess I could say I was not careful.

  8. Another scare alert to general public. Mom drank pot of coffee every day. I limit my caffeine to two cups, occasionally 3 per day. I don’t mind the extra thirst I need the water. No caffeine after 12noon. Im in my ’70s, enjoy my coffee every morning & will continue to do so.

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