My LO is almost four months old and he has learned to fall asleep by himself for naps without any real training on my part. However, bedtime is a different story. He will scream and cry until he is either nursed to sleep or rocked to sleep. Lately, he has been preferring nursing to sleep. Even so, it will take over an hour to get him to sleep and he wakes up crying multiple times.
I don't understand why he can fall asleep by himself for naps but not bedtime. His wake time is about 1.5 hours and he will drift off to sleep for naps when I put him down around the 1.5 hour mark but not for bedtime. I have tried putting him to bed earlier and later than 1.5 hours wake time with the same results. I am running out of ideas.
Do I need to sleep train him? I've tried letting him cry for a bit and he just gets more and more worked up. I don't know if CIO will work for him.
Any insight or advice would be greatly appreciated!