Answer:
I always go to bed with my shoes on. What am I?
I am longer than a decade and shorter than a millennium
In Paris but not in France the thinnest of its siblings.
I can be thin but not fat; in your body but never on your placemat. I'm always better when I'm fresh but you'll never see me in the flesh.
I run cold and hot, I look blue but am red. What am I?
I have feet on my head