An investigator is studying the effects of sleep deprivation in healthy volunteers. For 6 nights in a row, a volunteer is allowed no more than 4 hours of sleep a night. At the end of the week, laboratory studies are most likely to show which of the following?
A. Decreased cortisol levels
B. Decreased dopamine levels
C. Decreased lymphocyte levels
D. Decreased TSH
E. Increased human growth hormone.
A. Decreased cortisol levels
B. Decreased dopamine levels
C. Decreased lymphocyte levels
D. Decreased TSH
E. Increased human growth hormone.