Extreme fatigue but cannot sleep…

I’m just 5-6 weeks pregnant, so early in my first trimester. I’ve noticed that every 3 days or so I get debilitating exhaustion. But the thing is, ever since I got pregnant I cannot sleep in. Like clock work, I wake up exactly after 7-8 hrs of sleep a night. Yes, I am getting the recommended hours but I still feel soooo tired and I cannot sleep longer.

Anyone else feel exhausted but can not get any extra zzzs in?