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.

high angle view of hands holding a cup of coffee

How Many Hours Does Caffeine Keep You Awake?

Published Aug,23 2011 | By Lori Newell

If you are one of the many people who rely on caffeine to keep you going during the day, you may need to watch your intake if you start to have trouble sleeping at night.

The Effects of Caffeine on Breathing

Published Jul,08 2011 | By Lori Newell

Caffeine stimulates the central nervous system and it is often consumed to feel more awake and alert. It can have several effects on the body, including altering the breath rate, which may be a concern especially for those with lung disorders.