Good hello everyone! Any sleep training methods/books you all would recommend? My LO is 7 weeks old. From birth, we have been working on sleep training and getting him to understand the difference between day and night and sleeping in his bassinet. We were making progress but at 6 weeks, he went through a sleep regression and no longer wants to sleep in his bassinet. If we give in and have him sleep in our arms, he will sleep 3-5 hours. In the bassinet, he either wakes himself up immediately or sleeps max an hour. We have a consistent nighttime routine, white noise, dim room. I have even been putting the shirt I wore throughout the day in the bassinet but nothing has helped. Help!