effects of caffeine withdrawal
Top 15 Caffeine Withdrawal Symptoms. 1  Headache. A caffeine headache usually starts behind the eyes and then moves up the front of the head. 2  Sleepiness. This just isnât your normal tiredness, this is sitting up straight but still canât keep your eyes open tiredness. 3  Irritability. Everyone and everything gets on your last nerve.  Lethargy.