Help!

How do I stay awake while nursing!?!? I'm so worried I'm going to suffocate her with my boobs after falling asleep. My husband is no help. The man has had insomnia and slept 4 hours a night since I've met him until now.... When I need his curse to be a super power it goes away. Aahhh! Does nursing make it impossible for anyone else to stay awake? It's like the moment she latches my eyes close and my head starts dropping. I've tried sitting up and doing it without support behind me. Legit almost fell over...