Im abnormally tired

Okay so I know that with being preggo comes with the normal exhaustion and such but the last 3 days I’ve literally slept all day and all night (minus to get up to pee and to eat) I am 26 weeks and 5 days and it’s not depression I don’t think- mainly because I’m literally tired; like I feel like I’ve been rick rolled and hit by a dumpster truck 😂 when my depression kicks in I just lay around lazy but anyways. I haven’t really done anything different and it doesn’t seem cause for concern yet to talk to my doctor (and I have an appointment next week) so I was just wondering if you ladies had his issue too? Lol