WELL FIRST OFF, IF YOUR HAVING INTERUPDED SLEEP, YOU WILL BE TIRED THE NEXT DAY..I YAWN AT THE gYM THE ENTIRE TIME, IT'S REDICULOUS, lol..bUT YES IT WILL CAUSE THIS. AS FAR AS THE HEAD ACHES ECT..IT CAN BE A COUPLE THINGS, I can't remember off hand if your running Test, but i asume so, So it could be test FLU..wich is the symtoms of the flu, but your really not sick..Lastly you could be like me, and be having Alergies this time of year, i have been having Migrains and Sinus congestion lately, it started when the weather got sunny and the grass and Flowers started to
Grow ?????????