People Who Have Gone Without Sleep for 10 Days in a Row

question 149

Multiple Choice

People who have gone without sleep for 10 days in a row

• A) have lost all muscle coordination.
• B) can still perform well-practiced skills for brief periods.
• C) feel equally sleepy at all times of the day.
• D) experience unpleasant aftereffects even weeks or months after returning to a normal schedule.