Fred volunteered for a sleep deprivation study. after he is deprived of sleep for two nights: he is very likely to experience episodes of

After two nights of being deprived from sleep, Fred would most likely experience episodes of microsleep. Microsleep happen from between half a second to half a minute and cannot be controlled. This helps compensate the body by shutting down involuntarily. 

answer; (d) all of the above; 100%

answer; exploratory;