Hello ? For two days now, the child starts crying in his sleep, I don…

Hello ? For two days now, the child starts crying in his sleep, I don't even know if he woke up or not, but his eyes are closed, I pick him up and either he calms down immediately and goes back to sleep without waking up, or he continues to cry and cries like an adult child as if something scary is happening to him. He starts choking and crying like that, as if he's crying. Is it like this with your little ones too? What could be the reason? Yesterday I rocked him to sleep, he woke up three times in a row like this and started crying, today evening when he was sleeping, he also started crying in his sleep, and just now I put him to