What does below Rebus say?

XLR8

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

What does a man do only once in his lifetime, but women do once a year after they are 29?

Can you identify the Oscar-winning movie from the rebus below?

By moving just one matchstick, you need to make the below statement true. Can you do it?

What runs around the whole yard without moving?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?