Same situation here
i haven’t had a sleep regression yet and my baby is 6 months but i can say we had some rough nights. when we do, i offer pain relief, a paci, and some calming interaction. sometimes none of that works so i just let him hang out in his bed for a while to talk to himself and roll around until he gets really fussy which is when he falls asleep quickly after i help him.
Yep sleep regression is a b..
What do his wake windows look like? They could be too short or you need to remove a nap! It’s also suggested around five months to make bedtime sooner with the elimination of a nap
How do you feel about losing a family member? Maybe your baby feels what you and your relatives feel. I know it is difficult, but try to stay relaxed. Talk to your baby about everything is going to be well.