date:Nov 09, 2018
drinking coffee for years and can't wake up without it that's because your natural cortisol cycle has been disrupted, not because you wouldn't normally be alert at that time. Of course, this is all assuming you're getting a reasonable amount of sleep. You have effectively trained your body to expect a caffeine jolt at the start of the day and now your body is used to it. Over time, you may find that you need more and more coffee for the same effect.
Later in the day is better
For most people,