Bible Verses About Watchfulness: Christ an example of

Then saith he unto them, My soul is exceeding sorrowful, even unto death: abide ye here, and watch with me.

And he cometh unto the disciples, and findeth them sleeping, and saith unto Peter, What, could ye not watch with me one hour?

And it came to pass in these days, that he went out into the mountain to pray; and he continued all night in prayer to God.