Answer:
It's in your hand though you cannot feel it. Only you and time can reveal it.
Longer than a decade and shorter than a milennium
Mouth up it gets filled, mouth down it gets empty.
What ends in E, starts with E and has a letter inside it?
If you need a night out, call one of these over to take the little ones off your hands for a while.
You can always see it, but it's too far away to touch. Mountains rest on it, and at sea it surrounds you. What is it?