Sleep cycles are around 40 - 45 minutes, so it sounds like Blake just woke up after one sleep cycle. But that's great that he put himself back to sleep!
Quite often Jacob will cry out - and then stop again. It's not an established cry IYKWIM? It's just a bit of a call out and then he goes back to sleep. It took time for him to do this though - before that, he would break into an established cry pretty quickly. It seemed that it took a while for him to have confidence in himself to put himself back to sleep IYKWIM?
Sounds fine to me what you're doing with feeding him in his room - if everywhere else distracts him and you find doing it in his room is the way to go, then go with that! Sounds like you're very switched on to what he needs!
A lot of babies have a late arvo cat nap - so I wouldn't be too worried about that impacting upon things I don't think. If Blake needs it, then he needs it!
I'm just wondering though......if he wakes at say 5.45pm, perhaps he's not all that tired by 7.30? That's only a couple of hours after he wakes from the cat nap?
Is he displaying tired signs at all at bedtime in the evening?
About the bath - Jacob will get excited in the bath too. He loves it and plays with his bath toys and has a blast. He loves that time. But it doesn't seem to impact on him going to sleep - he seems to associate it with the big sleep I think, together with the other things that we do.
Do you think that it would be possible for you to give Blake a bath every evening to try and see if this works?? Would you be able to work that around your DD's activities? I know that must be tricky!
About brekkie - if you think Blake is ready for some brekky, then go ahead and try that. I'd probably suggest letting him take what he wants from a feed at nap time - he'll have as much as he needs. If he's full from brekkie, he probably won't have as much, but then again he might surprise you and still have just as much as he normally would!
Gosh I'm not sure if I've helped here at all.......
Another thing to try.....perhaps some soothing music in his room? Perhaps you could try something like that for his night time sleep, or a comfort toy.....it might be something that helps lull him back to sleep.
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