Refer to Case Study 5.3, Exercise Yourself to Sleep. a. Discuss each of the difficulties and disasters

Question:

Refer to Case Study 5.3, “Exercise Yourself to Sleep.”
a. Discuss each of the “difficulties and disasters in experiments” (Section 5.3) as applied to this experiment.
b. Explain whether the authors can conclude that exercise actually caused improvements in sleep.
c. Draw a picture similar to Figure 5.1 on page 96 illustrating the process used in this experiment.