Is it bad to drink coffee at 3 am?

Is it bad to drink coffee at 3am?
Is it bad to drink coffee at 3 am?

According to this article in Science Translational Medicine (bit.ly/CoffeeZzz), late night coffee can really throw off your sleep patterns. I understand, sometime you have to stay awake, and coffee is very effective for that, but I wouldn’t do it on a regular basis.