I need advice.

Ive taken pregnancy test after pregnancy test and and there are all different brands 1/2 show up positive half show up negative But I'm extremely dizzy lately I throw up a lot I feel nauseous or like I'm gonna throw up or just in general sick I'm I'm bruising really easy It's really taken a toll on my mental state I think I've had 3 breakdowns in the past 2 days I set in the bathroom and cried for like 3 hours the other night My emotions are everywhere I look I'm mad at the simplest things and I don't know what's happening to me And I really need some advice to know that I'm not going crazyI'm constantly tired even after getting througetting 13 14 hours of sleep but I still am very sleepy. I normally don't sleep that much And then sometimes like now I've been up for 72 hours I go through days of just not eating anything because the smell of any food makes me sick and then there are days that I will just eat everything Like tonight I eat chocolate ice cream I hate chocolate ice cream