Questions and Answers

Select the best option for each question and then click 'check your answers' at the bottom of the page to see how you did. The quiz will give you feedback for any items that you miss, but the number of correct answers is not used for any other purpose.

  1. Most people can adjust to regularly sleeping less than 7 hours without negative consequences.


  2. Researchers report people tend to recognize when they are too sleep-deprived to function adequately.


  3. Performance impairments after being awake 17 hours or more are similar to impairments due to alcohol intoxication.


  4. Which interval for rest breaks during work shifts is associated with reduced risk for errors and accidents?



  5. What nap length will increase alertness?



  6. Which of the following could be due to lack of sleep?




  7. Individual differences in the ability to perform when sleep deprived are theorized to be due to which of the following?




  8. Which of the following is the best action to take while driving if you are yawning and having trouble keeping your eyes open and head up?




  9. Which of the following is the LEAST effective strategy that workers can use to increase their alertness?




  10. Which is the most effective action to prepare for sleep and help you get good-quality sleep?