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psychology unit3 ch5
sleep deprivation
| Term | Definition |
|---|---|
| Chronic sleep deprivation | Not getting enough sleep over an extended period of time, long term sleep deprivation. |
| Microsleep | 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. |
| Partial sleep deprivation | Having some sleep in 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. |
| REM rebound | The significantly larger amount of time spent in REM sleep than usual that follows a period of being deprived of REM sleep. |
| Sleep debt | The difference between the amount of sleep you should be getting and the amount you actually get. |
| Sleep deprivation | Not getting the amount of sleep needed; may involve partial or total loss of sleep. |
| Sleep deprivation psychosis | The experience of being depersonalised with a loss of sense of personal identity and increased difficulty with coping with other people and the environment, usually occurs at day 6 of total sleep deprivation. |
| The 'hat' phenomenon | A feeling of tightening around the head as though a hat that is too small is being worn that usually occurs during day 4 of total sleep deprivation. |
| Total sleep deprivation | 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. |
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