 [ Symptoms ] period came 5 days early i have bad abnormal heartburn & am exhausted could be i pregnant  my period came 5 days early it was brightdark red and brown and lasted 3 days but only the 1st was heavy it was been a week since it started and i am exhausted yesterday i got the worst sleep i think i have ever had because i had very bad heartburn i have never had heartburn like this it is much better today but my gut is still grumbly & even after finally sleeping for 12 hours i am tired my coffee today & yesterday is making me nauseous also & i usually drink it daily [ Disease ] please be respectful of webmd answers and refrain from advertising your product or services on this important medical information site your inappropriate posting takes up valuable space for individuals seeking answers to their medical questions