So last night I got extremely nauseous out of no where. I couldn't even move. It lasted about an…

So last night I got extremely nauseous out of no where. I couldn't even move. It lasted about an hour and then went away like it was never there! And then now it's happening again today! I've been fine all day long. And then all of a sudden I'm hit with this wave of nausea that's so bad to where if I move I'm basically chocking it down. What is going on!? OMG.