Hi Melissa! tks for your hugs and glad to meet you. Yes, he did have "three" molars during July and August. I didn't give him any medication because sometimes he can sleep more than 10.5h at night. So I don't know if his bad night is related to teething. The day before yesterday I gave him Motrin but not helpful.
I think the major reason of his bad night is his nap arrangement and A time post-nap. But I still can't find the solution.
I really hope he can be on one nap. Considering he is a short nighter and his A time post wake is only 3h40m, 3h37-4h btwn two naps, plus he is so sensitive to OT, not an independent sleeper, etc, I feel I need to let him have two naps.
To keep his bedtime and squeeze in 2 naps has been so hard for me, especially when his wake-up ranges so wide recently. I often need to cut both of his naps length. I feel so guilty doing that,but a bedtime after 8:40 doesn't mean later wake-up and often causes shorter night. My hubby doesn't like me to cut my son's nap. He thinks I should let him "What will be will be" But you know, to many early risers, later bedtime doesn't mean later wake-up. My son's clock has been stuck at 6-6:30am so long. So late bedtime seems not helpful, or maybe I didn't try it very long and consistently.
In order to solve his EW, I've tried long am/short pm nap approach for 3 months. During June and July, it is helpful. My son can sleep more than 10.5h, even 12h. Bu it can only last a few days. Then we'll have 1-3 days of sleeping less than 10h. Now sleeping less than 10h becomes every 1-2 days. Because he is super OT now, I consider to cut his am nap short, keep a long pm nap and thus bring his bedtime earlier. If I want a bedtime 7-7:30pm, his am nap needs to be 30m or less. I still don't know how long his A time btwn naps will be if his am nap is 30m or less. I'm also afraid it will destroy his pm nap since I don't have much success with a 35m am nap. On the other hand, during last week including today, we accidentally had two days of very short am nap (10m and 15m). To my surprise, he had 1h40m nap after that super short am nap and can manage 5h-5h20m A time post nap. Will it be too long for him? He even had a 7h A time post nap b/c he can't fall asleep at 5-6pm. Maybe it's b/c he is super OT. Anyway, hope he can wake at/after 5:30am tomorrow.