hun it definitely looks like that first S is stealing from his nights and your days are too long. Try to gently push it out to at least 2 hours and over time I think you will see progress. Try to do it very gently, so 10 mins or so early few days. Some days we went backwards but we got there in the end and it made a difference to EW. You may also find once you do this your naps will consolidate so you will end up with 1 longer AM nap, a longer PM nap and a CN before bed.
In the meantime his nights are too short and last A too long on a 1 hour nap, can you bring BT forward a bit to preserve his night sleep so maybe aim for something like this (it will take a week or two to get there)- I have missed out E
Wake 5 (or later as you push the As and give earlier BT hopefully wake up will get later)
S 7 (or later)
A 9 - 11.30 - on a longer nap he should be able to give you a longer A than 2 hours (again, slowly extend this as his nap gets better and later)
S 11.30
A 1.30 - 4.15 if he handles longer As as day goes on
S 4.15 - 5 (CN - can be shorter)
A 5 - 7
BT 7pm
Eventually I think your day will shift as he catches up on OT, sleeps more at night and consolidates his naps into 2 good naps, one CN and at a reasonable hour. I think you will really need to end up with your As longer than the above, but that is just a start. Have you had a look at the sample routines for a 6 month old as this is where you will want to head.
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