Sleep Inertia

We all love our morning caffeine fix but should it be the first thing you have in the morning? Here’s why your morning cup of joe should be enjoyed a little later in the day.
If you're like most people, the first 15 minutes after you wake up aren't your finest moments. Aside from morning breath, bed head, crusty eyes and grumpiness, you're not firing on all cylinders, mentally speaking, right after getting out of bed.
The question: On several occasions, I've woken up from a "good" night's sleep and still felt surprisingly tired and lethargic