Caffeine Effects: Withdrawal, Sleep & Health Impact

Caffeine impacts everything from sleep quality to concentration and heart rate. Learn how long withdrawal takes, the diuretic effects on the body, and the potential risks of taking caffeine tablets with medication or alcohol.

Woman sitting on windows sill, drinking coffee, smiling

Caffeine & Brain Fog

Published Jul,08 2011 | By Aubri John

Caffeine is naturally derived from over 60 varieties of plants. It can also be produced synthetically and added to foods or beverages. Caffeine is one of the most widely used legal stimulant drugs worldwide. With its stimulating benefits, however, come some negative effects when you consume too much.