6D: Sleep across the lifespan Flashcards
(18 cards)
What is the sleep duration during the newborn period?
Approximately 16 hours
This is the highest sleep duration in the lifespan.
What percentage of sleep during the newborn period is REM sleep?
Approximately 50%
The other 50% is NREM sleep.
What is the sleep duration during infancy (3–24 months)?
Approximately 13.5 hours
What is the proportion of REM sleep during infancy?
Approximately 35%
The proportion of NREM sleep is approximately 65%.
What is the sleep duration during childhood (2–14 years)?
Approximately 11 hours
What is the proportion of NREM sleep during childhood?
Around 80%
REM sleep decreases to approximately 20%.
At what age does sleep duration start at around 12 hours during childhood?
Around 2 years old
At what age does sleep duration decrease to around 10 hours during childhood?
Around 14 years old
What is the sleep duration during adolescence (14–18 years)?
Approximately 9 hours
What is the proportion of REM sleep during adolescence?
20%
NREM sleep remains at 80%.
What biological change occurs in adolescents related to sleep?
Delayed sleep onset by 1–2 hours
What is the sleep duration during young adulthood (18–30 years)?
Approximately 7.75 hours
What is the sleep duration during middle adulthood (30–75 years)?
Approximately 7–8 hours
What is the proportion of REM sleep during middle adulthood?
20%
NREM sleep remains at 80%.
What is the sleep duration during old age (75+ years)?
Approximately 6 hours
What is the proportion of REM sleep during old age?
20%
NREM sleep remains at 80%.
What syndrome do older adults tend to experience related to sleep?
Advanced sleep phase syndrome
What does advanced sleep phase syndrome entail?
A biological shift forward in the sleep-wake cycle
Meaning older adults become sleepier earlier and wake up earlier.
