People who drink coffee regularly may also notice tiredness after coffee more than those who drink coffee occasionally.

That said, there is research to show that coffee drinkers can also report feeling more tired throughout the day. This could ...

I feel significantly more tired today in the ... probably 'cause I was drinking more water and less caffeine. That being said, I still want the coffee. People kept hiding their coffee from me ...

David Benavides, a board-certified sleep medicine physician, told Newsweek when you should cut off coffee consumption and why.

Benji: This is me and I love coffee. The intoxicating nutty aroma. The rich chocolatey taste. Some days I drink three cups like ... some nasty side effects. Most people take in coffee to increase ...

Here’s everything you need to know about drinking coffee while fasting.

That’s part of why you feel refreshed after even a short nap: your brain has been clearing out the chemicals that make you feel sleepy. Drinking a cup of coffee ... for many people—is their ...