anyone else having a hard time getting comfortable?

It's only really happened in the last few days. Sitting up in a chair makes me feel weird, standing is tiring, lounging on sofa is comfortable for 3-5mins then I have to sit up, after a few more minutes my back aches. Don't even get me started on lying down in bed. Turning over at night (which happens very frequently these days) is now, apparently, a four step process which requires me to wake up each time. I'm sorry to moan. I think I'm in shock because I've had the easiest of pregnancies - not one symptom until now (pure luck). And I'm feeling it. Assuming it'll just get harder?!  10 more long weeks to go!