Tired, lazy, unmotivated

Anyone else feeling this way at or around 27 weeks? I had a really easy first trimester compared to most and wasn't super tired then. Throughout my second trimester though I've had bouts of being super tired, lazy, and unmotivated. I feel like such a bum when I get nothing accomplished! Plus, there's tons to do before baby arrives. I thought second tri was supposed to be the energetic phase. Anyone else?