Sleep Flashcards
What changes in sleep are observed as age progresses?
As age increases, there is a total reduction in sleep time.
There is an early reduction in % of REM sleep (peaks at 8 months).
By age 40, there is a reduction in stage 3&4 sleep.
What are the two halves of sleep?
Sleep is split into two. 1st 5 hours (most of deep stage 3+4 sleep) and half of REM SLEEP.
Optional sleep is the 2nd half, mostly stage 2+1.
What is the mean sleep duration?
7.75 hours is the mean sleep duration.
During which type of sleep do dreams usually occur?
Dreams don’t always occur during REM, but 2x more likely to be during REM.
If dreams are during REM 6x more vivid.
How much of the population does insomnia effect?
Insomnia affects about a third of the population.
It is often secondary to another problem.
What are the characteristics of insomnia?
Insomnia: delayed sleep onset, disturbed sleep, early morning waking.
What is insomnia caused by?
Insomnia can be caused by: depression or anxiety (psychological), medical painful disorders, social factors (alcohol and drugs),
How can insomnia be treated?
Insomnia can be treated using, hypnotics, sleep education, behavioural changes in sleep hygiene and relaxing techniques.
During which stage of sleep does the most recovery sleep occur?
Stage 4 68% of recovery sleep
REM 53%
Stage 1 and 2. 7%
How much sleep does the average person need each night?
The average person needs about 8 hours of sleep each night.
