Answer:
What is really easy to get into but really hard to get out of
Its fleece is warm and wooly white. And when you lie awake at night, count it and you'll fall asleep. What is it?
Poorly behaved children often find themselves sitting in these.
Why shouldn’t you give Elsa a balloon?
I love to dance and twist and prance. I shake my tail, as away I sail. Wingless I fly into the sky.
I appear in the morning. But am always there. You can never see me. Though I am everywhere. By night I am gone, though I sometimes never was. Nothing can defeat me. But I am easily gone.