My cham does the exact same thing. Her internal clock is so solid, if I turn her lights off half an hour early in the evening, she wakes up exactly half an hour before her lights turn on in the morning!
Beman does this too about 30-45 minutes before lights out. He will go down to his preferred spot then gets frustrated after waiting about 15 minutes and goes back up to the top then tries again right before they kick off. Pretty funny.
Sorry to revive a dead thread, but I'm so glad to see other chams do this! Karma crawls up into his bedtime spot about 30 minutes before the light goes out. It's crazy to me that he knows! It's also super duper cute.
Yeah, they know!!! Some of mine always go to the same spot, some don't, but I've also made alot of changes to their home recently, it's cute!! My new male parsley, sleeps in the pothos as well, at least the past 3 nights