Despite what you may have heard, there are plenty of good things to be said about coffee.It’s high in antioxidants and linked to a reduced risk of many diseases.However, it also contains caffeine, a stimulant that can cause problems in some people and disrupt sleep.
Soft drinks, tea and chocolate all contain caffeine, but coffee is the biggest source.The caffeine content of a single cup can range from 30–300 mg, but the average cup is somewhere around 90–100 mg.Caffeine is a known stimulant. In your brain, it blocks the function of an inhibitory neurotransmitter (brain hormone) called adenosine.
If coffee reduces your sleep quality, try quitting coffee late in the day, such as after 2:00 p.m. Caffeine can also have diuretic and blood pressure-raising effects, though these usually dissipate with regular use.
