PSY3320 Lecture Notes - Lecture 1: Epworth Sleepiness Scale, Electromyography, Slow-Wave Sleep
15 Oct 2018
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Document Summary
Around 20% of car crashes are associated with driver sleepiness. Almost 40% of adults experience some form of inadequate sleep > this costs the health system. Biological necessity > all animals sleep despite its dangers and sleep deprivation causes death. Sleep is restorative > we see a surge of growth hormones when asleep & we repair injuries when asleep (nrem) Brain plasticity > rem sleep aids memory consolidation. Allows us to flush metabolic waste from the brain (xie et al. , 2013) Parcell dl et al (2008) > brain injuries self-report poorer sleep quality but have the same amount of sleep as healthy people. Sws, which we"d expect as sws is associated with restoration and repair. Stickgold (2005) > participants were trained on tower of hanoi task then either slept normally or were woken up every time they entered rem sleep. Rem sleep showed a 40% improvement in task performance.
