No sleep

I seriously swear idk what the fuck to do. My son is almost 7 weeks. His normal used to be 2 to 4hr asleep it has become 30min to 2 hrs very tops but very rare. Normally it's 45ish idk what to do I'm at my wit's end I'm getting very very little to no sleep. at the most I get 2 to 3 hrs of Brocken up sleep over 10hrs. My son also stays away normally a hr or 2 once he wakes up please someone help I'm so damn tired I can't handle it anymore it's literally making me want to throw up from lack of sleep, I'm never hungry, head aces and just feeling blah