Sleep and rest Flashcards
What organ controls circadian rhythm?
hypothalamus
What fraction of adults don’t get enough sleep?
1/5
How many hours of sleep should adolescents be getting?
8.5-10 hours
For how long are days and nights reversed for newborns?
up to 6 months
How long do newborns sleep out of 24 hours?
15 hours
When should newborns be able to sleep through the night?
6 months
How many naps per day should infants have?
2
How long do toddlers sleep out of 24 hours?
12 hours
How many naps per day should toddlers have?
1
Until what age is bedwetting common?
4 years
How many hours of sleep should school-age children get?
9-10 hours
How many hours of sleep should adults get?
8 hours
How long is a sleep cycle?
90 minutes
What is stage 1 of NREM?
light sleep
5% of total sleep time
What is stage 2 of NREM?
restful sleep
50% of total sleep time