Have had no sleep for 2 nights .....feel so tierd yet cant sleep....does anyone else suffer from the same problem? Had to take my first day off work for 6 years today as could not drive.....also getting really bad stomach pains and keep being sick an going to the toilet loads.My heart is beating ten to the dozen as well.....any one got any good advice as this is ruining my working life...thanks also just dont feel hungry