I am such a night owl!  I cannot sleep at all at night!  How about you?
night owls may stay awake until just before or even after dawn. Night owls tend to feel most energetic just before they go to sleep at night. 
Some night owls have a preference or habit for staying up late, or stay up to work the night shift. Night owls who work the day shift often have difficulties adapting to standard daytime working hours.
Night owls have often been blamed for unpunctuality or attitude problems. Employers, however, have begun to learn to increase productivity by respecting body clocks through flexible working
I Am the Night—Color Me Black
"I Am the Night—Color Me Black" is episode 146 of the American television anthology series "The Twilight Zone". It originally aired on March 27, 1964 on CBS.
Plot.
Sheriff Koch (Michael Constantine) cannot sleep the night before the execution of a man, as he feels conflicted about the situation. His wife Ella (Eve McVeagh) is no comfort as she snarls, "What time do they string him up; you know