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Caffeine is energizing, but if it's impacting your sleep, it may be time to scale back.
Caffeine dependence is a condition characterized by a set of criteria, including tolerance, withdrawal symptoms, persistent desire or unsuccessful efforts to control use, and continued use despite knowledge of adverse consequences attributed to caffeine. [1] It can appear in physical dependence or psychological dependence, or both.
A small, 8.4-oz. can of Red Bull contains 80 mg of caffeine, and a concentrated, 2-oz. energy shot can contain a staggering 215 mg, according to the Mayo Clinic. Just how any one person will react ...
You won't even miss your morning cup of coffee.
Caffeine can delay or prevent sleep and improves task performance during sleep deprivation. [54] Shift workers who use caffeine make fewer mistakes that could result from drowsiness. [55] Caffeine in a dose dependent manner increases alertness in both fatigued and normal individuals. [56]
The person could suffer from severe symptoms of caffeine withdrawal including headaches, fatigue, and difficulty concentrating. It is recommended that the person reduces caffeine consumption gradually to avoid withdrawal as attempts to suddenly discontinue all caffeine consumption are frequently abandoned due to the severity of the withdrawal ...
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The health effects of coffee include various possible health benefits and health risks. [1]A 2017 umbrella review of meta-analyses found that drinking coffee is generally safe within usual levels of intake and is more likely to improve health outcomes than to cause harm at doses of 3 or 4 cups of coffee daily.