I'm looking for advice again ?? We're on the gvw. The last two days my…

I'm looking for advice again ?? We're on the gvw. The last two days my son hasn't woken up at night. For example, today he ate at 12:00 and fell asleep around 1:00 am and only woke up at 5:30 am. I fed him and he went back to sleep. Before that, at 3:00 am, I changed his diapers, but he didn't wake up, he slept like he was sleeping. Yesterday he also fell asleep around 1:00 am and woke up at 4:30... He used to stay asleep until 1:00 am and then wake up after