Rythmn And Sleep Flashcards
What does circadian rhythm also mean?
Body clock.
What is trans meridional desynchronization also mean?
Jet lag.
Where is the circadian clock controlled?
Hypothalamus.
How long is your natural free running circadian rhythm?
25 hours.
Whats an example of a Zeitgeber in relation to your body clock?
Sun rising or any external cue.
How much does your internal body temperature drop at night?
Almost a degree.
When is your body expected to be in its deepest sleep?
2am.
What are you more likely to be during the window of circadian low?
Sleepy.
What is the jetlag adjustment for 1 day recovery?
1 day for 60-90 minutes.
When do humans experience a second period of dopiness?
Between 3 and 5 in the afternoon.
What is the most difficult stopover time to acclimatise?
24hours.
Brain electrical waves differ in sleep or .
Alertness.
What is the paradoxical sleep cycle?
Rem sleep.
How long does a sleep cycle last?
90mins
What happens in stage one about sleep?
Drowsiness.
What percentage of normal sleep is spent in stage 2?
50%
What stage/stages is orthodox sleep and what is it?
Physical restoration and 3/4
What sleep is for the body and whats for the brain?
Orthodox for body and paradoxical for brain.
How many sleep credits do you gain for an eight hour sleep?
16
What stage of sleep is paradoxical sleep?
5
What stage is orthodox sleep?
3-4
Whats it called when there is a tendency of a sensory receptor to become leas responsive to a stimulus that is unchanging?
Sensory adaptation
