Lay back down symptoms and conditions

I TOOK MY FIRST DOSE OF 750MG LEVAQUIN LAST NIGHT AFTER STAYING UP LATE WATCHING A MOVIE..ABOUT 2:50AM. I WOKE UP, TOTALLY ALERT, AFTER ONLY 2 HOURS OF SLEEP. THERE WAS NO GOING BACK TO SLEEP. I WAS ALSO HAVING WHAT FELT LIKE A HOT FLASH BUT COOLED DOWN OK AFTER TURNING ON THE FAN.
TONIGHT, I TOOK MY SECOND DOSE AROUND 1 AM AND WOKE UP EXACTLY 2 HOURS LATER. AGAIN, WIDE AWAKE... BUT THIS TIME I AM HOT, BUT ALSO FEEL LIKE I AM HAVING AN ANIETY ATTACK OR SOMETHING...I FEEL LIKE MY HEART IS FLUTTERING IN MY THROAT. ANYWAY, IT SCARED ME ENOUGH TO GET ON MY COMPUTER AND GOOGLE/DOGPILE THE DRUG NAME... AND I WAS CERTAINLY SURPRISED TO SEE A SIMILAR RESPONSE. I ALSO TOOK SOME VITAMINS AND MINERALS AT BEDTIME AS WELL. I WILL NOT CONTINUE THIS DRUG AND HOPE I FEEL NORMAL SOON.