For me, a 5-hour minimum of deep, satisfying sleep is a necessary element to be a positive, properly functional person during the day. When well-rested, my moods are balanced and I can do as much proverbial handholding as is necessary to ensure my projects don't crash and burn. In case you were wondering, I'm a still, right-side, fetal-position sleeper, but apparently there are cons to all sleeping positions! See the comic below:
What kind of sleeper are you?