A recent study of sleep lab volunteers reveals that caffeine impairs essential brain functions at night. Here’s what happens. Stacey Leasca is an award-winning journalist with nearly two decades of ...

There's nothing like a hot cup of your favorite caffeinated beverage to get you going in the morning, but for habitual drinkers a decaffeinated one may work just as well. It sounds outrageous, but ...

Regular caffeine consumption is tied to reduced gray matter volume but not because of its potential negative impact on sleep, new research shows. Investigators found the impact of caffeine on gray ...

Decaf coffee may be the last thing on your mind if you're looking for an afternoon caffeine hit to get you through to the end of the working day. But if you want to wake up feeling well rested, ...

Caffeine increases brain activity, focus, and cognition while countering exhaustion. Common signs of a caffeine crash include headaches, tiredness, difficulty concentrating, and irritability. This can ...

Adam Taylor does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...