Still no period

On June 7th it will be a month since I've gotten my period and today's it's been a month since I last had sex my stomach feels a lil weird when I'm laying on it and I'm up all night I can never sleep but I took a test 2 weeks ago it was negative I really have a feeling i am pregnant I just don't know if I should wait till I don't get my next period or go ahead and test... I need help and advice