Answer:
You’ll have me at night and if you remove the first letter I denote the top, such as on a train
A reaction to being spooked that takes its name from waterfowl
What always goes to bed with his shoes on?
A time when they're green. A time when they're brown. But both of these times, cause me to frown. But just in between, for a very short while. They're perfect and yellow. And cause me to smile.
What surrounds the world, yet dwells within a thimble?
What covers its face with its hands, speaks no language, yet most known what it's saying?