Section: Paragraph Comprehension

104) A new study suggests that 1 in 4 Americans do not get enough sleep. Sleep experts recommend 8 hours of sleep per night and most Americans report an average of less than 7 hours of sleep on weeknights and 7.5 hours of sleep on weekends.

The average American sleeps

1. 6 hours on weeknights
2. 8 hours on weekend nights
3. the recommended hours of sleep
4. 7.5 hours on weekend nights.