LO is turning 5 m next week. He has been on 4h EASY and sleeping fine. He sometimes fussed when I put him to sleep but I could settle him down easily with a little reassurance. He usually got himself back to sleep when he woke up at night. He used to sleep at least 6 hour stretch. We don't have specific sleep routine, I usually take him inside, turn off the lights, change his nappy, play some white noise, and that's it.
Now, all of a sudden, he won't let me lay him down. He gets really frustrated when I try to calm him down when he is on his crib. And sometimes he won't even settle down easily even if I hold him or rock. He sometimes wakes up 45m after I put him for a nap, which is a thing O thought it wouldn't happen again after I trained him.
I don't know what's going on. Does this how sleep regression look like? I'm afraid if I kept settling him down on my arms I would reinforce a habit, which is the last thing I would ever want since I finally could train him to sleep %80 on his own.
I have been thinking of any thing happened and might disturb his sleep, but nothing happened.