What Is The Best Energy Drink To Keep You Awake - Does sugar affect your sleep? How long does caffeine keep you awake? Energy drinks with either more than 160mg of caffeine or a lot of sugar (or both) are the best way to.
Does sugar affect your sleep? How long does caffeine keep you awake? Energy drinks with either more than 160mg of caffeine or a lot of sugar (or both) are the best way to.