Answer:
I always go to bed with my shoes on. What am I?
By Moon or by Sun I shall be found. Yet I am undone if there's no light around.
I have a brother. However much we run we do not reach each other.
I have a tongue, but cannot speak. I have a bed but cannot sleep. I have four legs but cannot walk. Yet I move as you do. What am I?
They are many and one, they wave and they drum, used to cover a stare, they go with you everywhere.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.