2. Sleep Flashcards
1
Q
Define sleep
A
As a regular and naturally occurring altered state of consciousness that follows a circadian rhythm and involves the ultradian rhythms of R.E.M. and NREM
2
Q
Define a hypnagogic state
A
Grey area between waking and consciousness and sleep
3
Q
Define hypnic jerk
A
Sudden alert on the brink of falling asleep
4
Q
Define hypnopompic jerk
A
Grey area between sleep and wakefulness
5
Q
What type of cycle is the sleep-wake cycle?
A
A circadian rhythm (24 hours)
6
Q
What type of cycle is the sleep cycle?
A
An ultradian rhythm (sleep only)
7
Q
What are the circadian rhythm phase disorders?
A
- shift work
- adolescence
- jet lag
