I honestly have no idea what's going on. I'm keeping a sleep and wake diary, but... I know he wants…

I honestly have no idea what's going on. I'm keeping a sleep and wake diary, but... I know he wants to sleep now: he's showing signs, yawning, rubbing his eyes. We go to bed, he latches on, nurses like usual. He's full. Before, when he was full, everything was fine: I'd rock him, sing a song, and he'd fall asleep, it took like 5-10 minutes after feeding. But then it started — he eats and then jumps up to play, runs around, messes around, crawls, and it all ends in screaming. I tried not to let him 'dance' — instant screaming. I tried not to touch him, maybe he's not ready for sleep yet: he plays for 20 minutes, yawns, clearly wants to sleep, but then starts screaming himself, crawls to me in tears. He won't take the breast anymore because he's full. And he screams. And he can scream like this for an hour. He screams with all his might, squirms, nothing pleases him, he arches his back, grabs me in all sorts of ways, pinches or bites me, showing that nothing is right. Not on my arms, not standing, lying down, on me, held upright, walking, bouncing, letting go, singing, rocking — everything together, nothing works, he just screams, and that's it, nothing helps. Then he passes out from exhaustion. But that hour is a real nightmare, my hair is standing on end. And the baby still whimpers in his sleep for a long time. I don't understand why some days are normal, some days are hysterics, two days normal, then the whole day every nap can be a struggle... He has 8 teeth, they were actively growing in August and early September. His gums look calm, his tummy is calm and soft... I don't understand how to prevent this crying... In these moments, I just want to cry with him.