7A - sleep deprivation

Sleep Deprivation

To be denied of getting the necessary amount or quality of sleep

Partial sleep deprivation

Having some sleep in a 24 hour period, but not enough to meet quality or quantity

Full Sleep Deprivation

Going without sleep for a 24 hour period for one or several nights in a row

Cognitive Effects of sleep deprivation

• irritability

• Cognitive impairment

• Memory lapse/loss

• Impaired moral judgement

• Hallucinations

Physical Effects of Sleep Deprivation

• Impaired immune system

• Risk of Diabetes type 2

• Increased risk of heart disease

• Increased reaction time

• Decreased accuracy

• Tremors and aches

Affective effects

• Mood changes

• Heightened anxiety

• Depression

• Irritability

• Lack of motivation

Behaviour effects

• slower reaction time

• Clumsiness

• Risk taking behaviours

Cognitive effects

• lack of concentration

• Impaired memory (trouble encoding)

• Illogical/ irrational thoughts, poor decision making

• Trouble with simple, monotonous tasks

Physiological effects

• Fatigue

• Trembling hands

• Drooping eyelids

• Staring and inability to focus eyes

• Lack of energy

• Increased pain sensitivity

• Headaches

Micro sleep

Short sharp bursts of sleep (13-15 seconds) where individual may be unaware they have slept

REM rebound

The increase of proportion of REM sleep to catch up

Comparisons to BAC

Affective similarities -Emotional state is altered

Cognitive similarities - decreased concentration, impaired reasoning and complex thought

0.05% BAC

17 hours of sleep deprivation

0.1% BAC

24 hours of sleep deprivation