For the past year or so...Raleigh has occasionally made herself little beds on the floor. For the past few months it's been more and more often. Now it's almost every night. She takes her pillow and her blanket and her doll and just curls up on the floor. I don't think she *doesn't* like her bed...but I'm not sure why she prefers the floor.
~Meredith
I will not go where the path may lead, I will go my own way and leave a trail.
Gaudium, Aut Vium Invenium Aut Facium
Happiness, Either I will Find a Way or I will Make one

Re: Sleeping on the floor?
I'm sure it's just a nesting thing with her. I would say go with it if she appears to be getting all the rest she needs.
If she seems tired and cranky in the mornings (aside from the usual morning grumpiness), you might want to consider a plan of action. Everyone around here seems to like reward systems with toddlers. I dunno. Good luck, though!
ETA: I dug around a little online and some moms were saying it's a freedom thing. Y'know, she does it because she CAN. Someone else mentioned getting one of those bed tent things to make the bed more like a hidey-hole that Raleigh would want to stay in. I still say leave her be if she's happy about things. She'll migrate back eventually.
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I will not go where the path may lead, I will go my own way and leave a trail. Gaudium, Aut Vium Invenium Aut Facium
Happiness, Either I will Find a Way or I will Make one