Your answer should be B. Many. The most obvious signs of sleep deprivation that can be seen almost in every adult who does not catch up with his sleep include: excessive sleepiness, yawning, and fatigue. As a result, the adults who do not get proper sleep cannot perform well on their jobs, cannot concentrate, and feel tired all day long. So the answer to this question is Many adults have same problems with sleep that Bailey does. Hope this helps! =^-^=