Sleep-Wake Cycles Across The Lifespan

Question 1

circadian rhythm

Answer 1

our internal body clock, which cycles approximately every 24 hours

Question 2

How long do babies sleep per day
How much of their sleep time is spent in REM
How does this support the restorative theory

Answer 2

babies sleep for approx. 16 hours a day, 50% of their time in REM
supports restorative theory because babies need a lot of REM sleep to help replenish the mental processes they exhaust when learning information during the day

Question 3

How long are adolescents and adults requires to sleep per day?
How much of their sleep time is spent in REM?

Answer 3

• adults are required to sleep 7-8 hours per day
• adolescents are required to sleep 8-10 hours per day
  with around 20% of this time being spent in REM sleep

Question 4

How long do old people sleep for?

How much of their sleep time is spent in REM?

Answer 4

As people enter old age they sleep less (they sleep for around 6 hours) with around 20% of their sleep time is spent int REM sleep

Question 5

delayed sleep phase disorder

Answer 5

when an individual’s internal body clock, known as circadian rhythm, does not match the external environment

Question 6

Why do adolescents go to sleep later

Answer 6

research has shown that late in puberty, the body secretes the sleep-related hormone melatonin at a different time than it normally does for other age groups

Question 7

How to ensure sleep comes easy

Answer 7

Make sleep a priority
Regulate your sleep cycle
Don't go to sleep unless you're tires (may lead to shallow or fragmented sleep)
Manage your stress
Have a relaxed atmosphere in the bedroom
Don't drink caffein within 6 hours of bedtime
Stop smoking 
Exercise before dinner