Believe it or not, how well you sleep is a mathematical science. Take this quiz to find out the truth of how deeply you snooze! How many times do you press the snooze button in the morning? None. Once. Twice. More than twice. How often do you nap? Every day. Once a week. Rarely. Never. How long does it take you to fall asleep? Only a few minutes. About 15 minutes. 30-45 minutes. Over an hour. Are you pretty alert during the day? Always. Most days. Sometimes. I feel like a walking zombie . When you're sick, this best describes you: I never get sick. It's rare, but when I get sick it's bad. I rest and don't go near anyone. I dose up on drugs and try to power through it. What are your dreams like? Vivid and intense. Intermittent and forgettable . Complex but rare. I hardly ever dream, and when I do it's nothing crazy. What usually wakes you in the middle of the night? My noisy home or something outside. My spouse. I get thirsty and need water. Only an emergency. When do you catch up on sleep? On the weekends. During naps. When I go to bed earlier. When I sleep in. When do you eat dinner? Early in the evening. A few hours before bed. An hour before bed. Right before bed. How often do you drink alcohol? Never. On the weekends. More than three times a week. Only on special occasions.