NU 311 REST AND SLEEP PRACTICE QUESTIONS AND
ANSWERS WITH COMPLETE SOLUTIONS
What is rest?
a state in which the body is in a decreased state of activity, leading to a feeling of being
refreshed.
What is sleep?
a cyclically occurring state of decreased motor activity and function that is a time of
mental and physical restoration
The metabolism falls by what percent during sleep?
20-30
Who might need more sleep to restore their body?
ill/sick
What are biorhythms?
biological clocks that are internally controlled and synchronized with the environment
What are 2 examples of biorhythms that our bodies experience?
menstrual cycle and body temperature
What are circadian rhythms?
biorhythm based on the 24-hour cycle; responds to the differences in day and night.
What regulates the circadian rhythms?
hypothalamus
, What is the group of nerve cells located in the brainstem that is responsible for
maintaining wakefulness through a system called?
Reticular Activating System (RAS)
What are some functions of sleep?
restore and repair our body, reduce stress and anxiety, and improve coping and ability
to concentrate
What does NREM stand for?
non-rapid eye movement
What does REM stand for?
rapid eye movement
What is Stage V of sleep called?
REM
What is NREM sleep?
restful phase of sleep where physiological function slows.
How many phases of NREM sleep are there?
4
What is REM sleep?
highly active with waves that are similar to those one has when awake
When does REM sleep typically occur?
About 90 minutes after the onset of sleep and after the deep sleep of stage IV.
What is the typical duration of Stage I of sleep?
5-10 minutes
What is the typical duration of Stage II of sleep?
ANSWERS WITH COMPLETE SOLUTIONS
What is rest?
a state in which the body is in a decreased state of activity, leading to a feeling of being
refreshed.
What is sleep?
a cyclically occurring state of decreased motor activity and function that is a time of
mental and physical restoration
The metabolism falls by what percent during sleep?
20-30
Who might need more sleep to restore their body?
ill/sick
What are biorhythms?
biological clocks that are internally controlled and synchronized with the environment
What are 2 examples of biorhythms that our bodies experience?
menstrual cycle and body temperature
What are circadian rhythms?
biorhythm based on the 24-hour cycle; responds to the differences in day and night.
What regulates the circadian rhythms?
hypothalamus
, What is the group of nerve cells located in the brainstem that is responsible for
maintaining wakefulness through a system called?
Reticular Activating System (RAS)
What are some functions of sleep?
restore and repair our body, reduce stress and anxiety, and improve coping and ability
to concentrate
What does NREM stand for?
non-rapid eye movement
What does REM stand for?
rapid eye movement
What is Stage V of sleep called?
REM
What is NREM sleep?
restful phase of sleep where physiological function slows.
How many phases of NREM sleep are there?
4
What is REM sleep?
highly active with waves that are similar to those one has when awake
When does REM sleep typically occur?
About 90 minutes after the onset of sleep and after the deep sleep of stage IV.
What is the typical duration of Stage I of sleep?
5-10 minutes
What is the typical duration of Stage II of sleep?
