Sleep Patterns Across the Lifespan

How many hours per day do newborns typically sleep?

• 8 hours

• 12 hours

• 16 hours

• 20 hours

What percentage of sleep time is spent in REM sleep for newborns?

• 75%

• 50%

• 25%

• 90%

At what age do infants start to consolidate their sleep into longer nighttime episodes?

• 9 months

• 1 month

• 3 months

• 6 months

During early childhood (2-5 years), how many hours of sleep do children typically need per day?

• 12-14 hours

• 11-13 hours

• 10-12 hours

• 8-10 hours

Which stage of NREM sleep is characterized by slow delta waves and deep sleep?

• Stage 4

• Stage 3

• Stage 2

• Stage 1

What is a common change in sleep patterns during adolescence?

• Earlier wake-up times

• Increased total sleep time

• Earlier bedtimes

• Delayed sleep-wake cycle

How many hours of sleep per night do most young adults require?

• 7-9 hours

• 5-7 hours

• 6-8 hours

• 8-10 hours

What percentage of total sleep time is typically spent in REM sleep during young adulthood?

• 25-30%

• 20-25%

• 15-20%

• 10-15%

What is a common sleep change in middle adulthood (ages 40-60)?

• More frequent awakenings

• Increased total sleep time

• Increased REM sleep

• Decreased NREM sleep

By age 60, what is the average total sleep time per night for many adults?

• 7-8 hours

• 6-7 hours

• 5-6 hours

• 8-9 hours