Maybe it's just a phase? Around 11 months, my son went through a phase where he was trying to figure out if he wanted 2 naps, 1 nap, or none. It was a rough couple of weeks, but now he goes to bed at 7:30, wakes up at 7am, and takes a nap around 11:30 for 2-3 hours. But he's also super busy during the day. From playtime at the gym, storytime, and playdates, he's exhausted by 11:30!
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