CCSH exam duration and distribution of
sleep across the lifespan Actual exam
Polyphasic
Sleeping multiple times in a 24 hour period
How many hours do newborns sleep
16-18 hours
By 16 weeks of age sleep is reduced to how many hours of sleep and stays that way until about 1 years old?
14-15 hours
How many hours do 2-5 year olds sleep
10-12 hours
By what age does sleep become Monophasic
By age 10
What age of sleep is polyphasic
Newborn
How many hours do 10 year olds sleep
10 hours
How many hours of sleep do adolescence sleep
8-9 hours
What age does circadian phase delay start
Adolescence
What is circadian phase delay
Goes to sleep later
What does monophasic mean
Sleeps once in 24 hours
