Oh Hun that's not good news
Can you rule out discomfort/pain first of all
So did he just not sleep from BT until the middle of the night
Is it normal for a 2 year old go from a 1.5 hour nap with 11 hr night straight to needing less than a hour or even no nap?
I'm afraid if this is the 1-0 there is no 'normal' Honey but it's not unheard of I'm afraid to say, it can take hold very quickly. DS never once refused his nap, we just got huge BT resistance, so it was a big shocker in this house and I felt the same way you do right now, confused!!! and tired!!!!
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Today he is going to be super tired so I think all bets are off, would you agree
Let me know how much sleep he got and WU time and we'll take it from there. I definitely would try and investigate this being down to pain of some kind, just because that kind of sleep resistance often is down to it, or pending illness (hope not!)
Lots of ((HUGS)) Sweetie.x.