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  2. Everything You Need to Know About Caffeine—Including ... - AOL

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    What time should you stop drinking caffeine during the day? Feller recommends that people keeping a 9 a.m. to 5 p.m. workday schedule limit their caffeine intake to the hours before noon.

  3. Caffeine dependence - Wikipedia

    en.wikipedia.org/wiki/Caffeine_dependence

    Caffeine dependence can cause a host of physiological effects if caffeine consumption is not maintained. Withdrawal symptoms may include headaches, fatigue, difficulty concentrating, lack of motivation, mood swings, nausea, insomnia, dizziness, cardiac issues, hypertension, anxiety, backaches, and joint pain; these can range in severity from mild to severe. [18]

  4. Caffeine Can Disrupt Sleep Even 12 Hours After You've ... - AOL

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    New research suggests caffeine drinkers "may have difficulty accurately perceiving the influence of caffeine on sleep quality" Caffeine Can Disrupt Sleep Even 12 Hours After You've Consumed It ...

  5. Caffeine use for sport - Wikipedia

    en.wikipedia.org/wiki/Caffeine_use_for_sport

    Caffeine has been proven to be effective in enhancing performance. Caffeine is a stimulant drug. [1] Once consumed, it is absorbed in the stomach and small intestine as well as being circulated throughout the body. [2] It targets muscles and organs, in particular the brain. Coffee beans . Caffeine is most commonly known for being in coffee. [3]

  6. What Time Should You Stop Having Caffeine for Quality Sleep?

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    After all, caffeine is a stimulant known to perk you up and boost your energy levels.Although everyone's system is different, there shoul What Time Should You Stop Having Caffeine for Quality ...

  7. Caffeine-induced anxiety disorder - Wikipedia

    en.wikipedia.org/wiki/Caffeine-induced_anxiety...

    Caffeine-induced anxiety disorder is a subclass of the DSM-5 diagnosis of substance/medication-induced anxiety disorder. [1] Consumption of caffeine has long been linked to anxiety. [2] The effects of caffeine and the symptoms of anxiety both increase activity within the sympathetic nervous system.

  8. Depleted energy levels affect us all. But here's when they ...

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    Certain medications also have side effects that can cause drowsiness - as can alcohol consumption and caffeine crashes related to drinking too much coffee, cola or too many energy drinks. And ...

  9. Caffeine - Wikipedia

    en.wikipedia.org/wiki/Caffeine

    High caffeine consumption in energy drinks (at least one liter or 320 mg of caffeine) was associated with short-term cardiovascular side effects including hypertension, prolonged QT interval, and heart palpitations. These cardiovascular side effects were not seen with smaller amounts of caffeine consumption in energy drinks (less than 200 mg).