Flashcards in Lecture 8 Deck (23):
What are some conditions causing sleep symptoms in Senior High School Students?
Delayed Sleep Phase Disorder5%
Problematic Alcohol Use 4.5%
Sleep walkers/talkers 3.5%
General Health Problem
Obstructive Sleep Apnoea
What are the 8 potential reasons as to why we sleep?
Resculpting of synaptic populations
Maximising adaptation to the Environment
What does recent research on sleep and the brain show?
*Sleep improves procedural memory (tasks requiring practice and repetition)
*Problem solving skills
*Pruning and strengthening of circuits that promotes new things and reinforcing old ones
What animals have the highest and lowest sleep requirement?
Rat lowest = 1 hr per 24 hrs
Bat largest = 20hrs per 24 hrs
What are the two types of sleep?
1. (REM) Rapid Eye Movement Sleep
2. (NREM) Non-Rapid Eye Movement Sleep
In what phase of sleep do dreams mostly occur?
REM phase of sleep
What does the REM phase of sleep occur?
REM occurs about 5x per night
Totalling about 5%
What percentage of our dreams do we remember?
What are the two theories behind why we dream?
What are the 4 Steps in Diagnosing Sleep Disorders?
What things are included in the sleep history step of Diagnosis?
Total sleep time
Quality of sleep
Pattern long term
Sleepiness during the day
What is a Polysomnogram?
Physiologic Sensor leads are placed on the patient in order to record
What 7 things does a Polysomnogram try to record?
Brain electrical activity (sleep EEG)
Eye and jaw muscle movement
Leg muscle movement
Respiratory effort (chest and abdominal excursion)
What are the 3 major groups of sleep symptoms?
Excessive Daytime Sleepiness
What are Insomnias?
Either Primary insomnias or Secondary Insomnias
Have Circadian Rhythm problems
Shift Work Sleep Disorder
What 4 things cause secondary Insomnia?
What does excessive Daytime Sleepiness involve?
Difficulty in maintaining desired wakefulness
Falling asleep at inappropriate times
Excessive amounts of sleep
What are the EDSs (Excessive Daytime Sleepiness conditions)?
Circadian Rhythm Disorder
Narcolepsy/ sleep attacks
What does Parasomnia involve?
sleep talking (somniloquy)
REM behaviour disorders
Periodic Limb Movements (PLM's)
What does the management of Sleep Disorders involve?
NEed to have correct diagnosis first
Multi-model approach -(Psychological, Beavioural, Biological)
What are the 5 types of treatment for sleep disorders?
Cognitive Behavioural Teratment for Insomnia - Bed restirction Programme
(CPAP) Continuous Positive Airway Pressure
What are Some countermeasures for Sleep deprivation fatigue/sleepiness?
- 2-8 hr nap prior to a 24 hr sleep loss (sift work)
15 minute naps every 2-3 hour intervals
Sometimes more than 2 hour naps can worsen sleep inertia