Hello everyone) The baby has been sleeping at 10 pm for two to three w…

Hello everyone) The baby has been sleeping at 10 pm for two to three weeks now, falling asleep on his own and waking up every three hours for feeding, like an alarm clock. On February 28th, it will be two months old and he started sleeping poorly. He also falls asleep at 10 pm, but wakes up every hour and can stay awake all night, either sitting or kicking, waving his arms, making noises, although his eyes seem closed. I don't understand what this is?