Morning sickness out of nowhere!

starbuck12

I'm 11 weeks along tomorrow, and up until about a week and a half ago, I hadn't experienced much morning sickness or nausea at all. I was a little tired most days, but overall felt very good. Now, as I'm nearing the end of the 1st trimester, I find myself with more nausea and vomiting than I care for, and I feel like a kitten...I could sleep all day! Anyone else experienced/ing this? I read somewhere that nausea and fatigue tend to peak between 9 and 11 weeks, perhaps this is what I'm experiencing?