37 weeks & exhausted

I’m currently 37w 2d and feeling so exhausted, I’ve felt like this for the last couple days now. I’m on leave and the past couple days I’ve slept nearly the entire day. Is anyone else experiencing this? I just feel like I have no energy. I don’t have much trouble sleeping at night, I toss and turn a little but once I find a comfortable position I sleep nearly the entire night aside from getting up to pee once or twice. Im a ftm so I wasn’t sure if it’s normal or not to be so tired in these last few weeks, I just feel really unproductive, which is driving me insane. Thanks in advance 😊