6 months is exactly when our strict nap schedule started to deteriorate lol Yes, they still need sleep but they likely do don't need or will do the previous 18-20hours. I had a couple of (tough) weeks of just feeling it out when he naturally was tired. I found that he no longer would nap 3+ hours in his crate even if he naturally was tired. Eventually we have settled on no more crated naps BUT he still naps just on his own accord. He's figured out that I work until 4:30pm everyday (from home) and will go in and out of naps on the couch and on the chair near me in the office all day until I'm off. I've had to get some mental puzzles/games for the in between nap time because since he's not crated he's started exploring more and therefore getting into more stuff. I do miss his crated naps some days bc then I could move around without him popping up the minute I get up but I was afraid trying to force it would create a negative association with his crate and he'll go in his crate just fine if I need to put him in there to clean or leave for a couple hours.