Answer:
I am the outstretched fingers that seize and hold the wind. Wisdom flows from me in other hands. Upon me are sweet dreams, my merest touch brings laughter
Once they sailed the sea, now they surf the web
You’ll have me at night and if you remove the first letter I denote the top, such as on a train
Halo of water, tongue of wood. Skin of stone, long I've stood. My fingers short reach to the sky. Inside my heart men live and die.
What can be filled with empty hands?
I have two eyes in the front and a lot of eyes on my tail