Chapter 5 Definitions

Question 1

Sleep deprivation

Answer 1

Not getting the amount of sleep needed; may involve partial or total loss of sleep.

Question 2

Partial sleep deprivation

Answer 2

Having some sleep on a 24 hour period but not getting enough to meet your needs; may occur for just during one night or for several nights and can lead to serious consequences.

Question 3

Total sleep deprivation

Answer 3

Going without sleep for an entire 24 hour period; may occur for just during one night or for several nights and can lead to serious consequences.

Question 4

‘Hat phenomenon’

Answer 4

A feeling of tightening around the head as thought a hat is too small to be worn - occurs after 4 days without sleep.

Question 5

‘Sleep deprivation psychosis’

Answer 5

When a person becomes depersonalize do, with a loss of sense of personal identity and increased difficulty with coping with other people and the environment - occurs after 6 days without sleep.

Question 6

Sleep deprived

Answer 6

When we are not getting the amount of sleep we need.

Question 7

REM Rebound

Answer 7

The significantly larger amount of time spent in REM Sleep than usual that follows a period of being deprived of REM Sleep.

Question 8

Microsleep

Answer 8

A brief, involuntary period of sleep that occurs in the midst of a wakeful activity - we tend to drift off and stop concentrating on what we are doing.