A03

• * evidence to support from dement & kleitman for u.r?

  • used eegs to measure sleep patterns of 9 p
  • rem activity highly correlated with dreaming & p able to recall their dreams during this period
  • supports existence of sleep stages as u.r
  • shows there are clear stages of sleep - happen more than once per day
  • e.p - brain waves do govern behaviou
• * led to treatments for sleep disorders for u.r?

  • understanding different stages of sleep led to helpful techniques & treatments for insomnia
  • means we can use eegs to identify sleep patterns & what stages of sleep have been interrupted/when they are waking up
  • research into u.r has practical application
  • insomnia diagnosis will be improved leading to better therapies
  • may potentially improve economy if these people can get better sleep & become more productive at work
• 2 X of ultradian rhythms?

  1. using eegs
  2. sample size of dement & kleitman