He wiggles his way back inside the robes, nesting in there. He likes being able to hear his heartbeat and it's comforting inside those robes.

I'm not tired Lan Zhan. I just woke up!

He isn't ashamed of his sleeping in tendencies. It does mean less time where he gets to be with Lan Wangji because of his early bedtime, but he still can't get used to the Lan sect's sleeping habits.