Lecture 8 Flashcards Preview

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Flashcards in Lecture 8 Deck (23):
1

What are some conditions causing sleep symptoms in Senior High School Students?

Depression 19.2%
Anxiety 16.6%
Delayed Sleep Phase Disorder5%
Problematic Alcohol Use 4.5%
Sleep walkers/talkers 3.5%
Drugs 2%
Parasomnias
General Health Problem
Primary insomnia
Obstructive Sleep Apnoea

2

What are the 8 potential reasons as to why we sleep?

Body repair
Energy replenishment
Predator avoidance
Thermoregulation
Memory consolidation
Neuronal Integrity
Resculpting of synaptic populations
Maximising adaptation to the Environment

3

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

4

What animals have the highest and lowest sleep requirement?

Rat lowest = 1 hr per 24 hrs
Bat largest = 20hrs per 24 hrs

5

What are the two types of sleep?

1. (REM) Rapid Eye Movement Sleep
2. (NREM) Non-Rapid Eye Movement Sleep

6

In what phase of sleep do dreams mostly occur?

REM phase of sleep

7

What does the REM phase of sleep occur?

REM occurs about 5x per night
Totalling about 5%

8

What percentage of our dreams do we remember?

5%

9

What are the two theories behind why we dream?

Erasing Theory
Filing Theory

10

What are the 4 Steps in Diagnosing Sleep Disorders?

Sleep history
Sleep Diary
Actigraph
Polysomnogram

11

What things are included in the sleep history step of Diagnosis?

Sleep onset
Sleep Latency
Interruptions
Total sleep time
Quality of sleep
Pattern long term
Sleep attacks
Sleepiness during the day
Sleep walking
Sleep Talking
Sleep eating
Sleep sex
Snoring
Violent Activities

12

What is a Polysomnogram?

Physiologic Sensor leads are placed on the patient in order to record

13

What 7 things does a Polysomnogram try to record?

Brain electrical activity (sleep EEG)
Eye and jaw muscle movement
Leg muscle movement
Airflow
Respiratory effort (chest and abdominal excursion)
EKG
Oxygen saturation

14

What are the 3 major groups of sleep symptoms?

Insomnia
Excessive Daytime Sleepiness
Parasomnias

15

What are Insomnias?

Either Primary insomnias or Secondary Insomnias
Have Circadian Rhythm problems
Jet Lag
Shift Work Sleep Disorder

16

What 4 things cause secondary Insomnia?

substances
psychiatric
Medical
Neurological condition

17

What does excessive Daytime Sleepiness involve?

Difficulty in maintaining desired wakefulness
Falling asleep at inappropriate times
Excessive amounts of sleep

18

What are the EDSs (Excessive Daytime Sleepiness conditions)?

Sleep apnoea
Idiopathic hypersomnia
Substances
Circadian Rhythm Disorder
Sleep Deprivation
Narcolepsy/ sleep attacks

19

What does Parasomnia involve?

Sleep walking/somnambulism
sleep sex
sleep eating
sleep talking (somniloquy)
REM behaviour disorders
Periodic Limb Movements (PLM's)
Restless Legs
Bruxism

20

What does the management of Sleep Disorders involve?

NEed to have correct diagnosis first
Multi-model approach -(Psychological, Beavioural, Biological)

21

What are the 5 types of treatment for sleep disorders?

Cognitive Behavioural Teratment for Insomnia - Bed restirction Programme
Light Treatment
Melatonin
(CPAP) Continuous Positive Airway Pressure
Medications

22

What are Some countermeasures for Sleep deprivation fatigue/sleepiness?

Sleep
- 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
Caffeine? Methamphetamine?Cocaine?
Modafinil

23

How can you enhance sleep?

Calm and focused mind
learn mindfulness (focusing on the present movement; full attention to your current activity)
-meditations/yoga