Question What is sleep debt? Answers When you fall behind on sleep When you want to take a nap Excess sleep The amount of time it takes to get ready to drive after sleeping Explanation You can build up a "debt" of sleep if you do not sleep for adequate amounts of time. You can only catch up on the time that you "owe" by getting more sleep. Take a FREE Practice Test Now This questions appears in the following tests: New York Knowledge Test Class A , Wyoming Tank ,