The healthiest form of caffeine is coffee and tea.
Coffee and Tea are the healthiest ways to consume caffeine and the coffee and tea has other health benefits along with it as well.
Too much caffeine is when you consume any amount of caffeine above 400 mg.
As long as you're consuming 400 milligrams or less of caffeine then it's considered a healthy amount of caffeine.
Coffee can make you sleepy immediately or even sleepy when your body doesn't allow the coffee to block the effects of adenosine, which is what makes you feel alert when you drink coffee.
When your body is not allowing the coffee to block those effects of adenosine then you can feel sleepy after drinking coffee instead of feeling awake.
Coffee can make you sleepy instead of awake because of how your body uses the caffeine.
For some people the coffee puts keeps them awake due to the caffeine although in some people the caffeine in coffee can have the opposite effect and make you sleepy.
Coffee breaks down adenosine, which is a neurotransmitter present in the central nervous system.
Adenosine is responsible for regulating your sleep cycle.
Consuming caffeine can double the levels of both epinephrine and cortisol.
This can happen to even regular coffee drinkers, causing spikes in stress.
your body in that high-alert state can tire you out and make you feel sleepy.
Drinking a cup of coffee a day is not bad.
In fact drinking a cup of coffee a day or even 3 to 4 cups of coffee a day is good for your health and can lower your risk of cancer, heart disease, stroke and much more.
Studies have shown that people who drink coffee daily have a lower risk of cancer, heart disease, stroke and usually live longer as a result.
Up to 400 milligrams (mg) of caffeine a day appears to be safe for most healthy adults.
That's roughly the amount of caffeine in four cups of brewed coffee, 10 cans of cola or two "energy shot" drinks.
Keep in mind that the actual caffeine content in beverages varies widely, especially among energy drinks.
Coffee is incredibly high in antioxidants.
Several studies have shown that people get more antioxidants from coffee than any other food group.
Black tea offers a variety of health benefits, including improved cholesterol, better gut health and decreased blood pressure.