# Are you still sleeping and taking your rest?

"I am disappointed that you are still sleeping and resting!" 

# the hour is at hand

"the time has come" 

# the Son of Man is being betrayed

"someone is betraying the Son of Man" 
# the Son of Man

Jesus is speaking about himself. 

# betrayed into the hands of sinners

"betrayed into the power of sinners" or "betrayed so that sinners will have power over him"

# Look

"Pay attention to what I am about to tell you"