While coffee has health benefits due to its antioxidant content, caffeine is a stimulant that blocks sleepiness, increases anxiety, and reduces deep sleep quality.

“caffeine will hurt your sleep in three ways most people are not aware of”

Caffeine can provide acute performance enhancement at dosages between 3 and 6 milligrams per kilogram of body weight.

“in general the most tried and trueue studies when it comes to repeatable high impact with a proportional relative lack of side effects but not none was like 3 to six milligrams a kilogram”