Sleep Flashcards
What are the stages involved in sleep?
Alert wakefulness Quiet wakefulness REM sleep Stage 1 sleep Stage 2 sleep Stage 3 sleep Stage 4 sleep
What wavelength type is associated with alert wakefulness?
Beta waves
What wavelength type is associated with quiet wakefulness?
Alpha waves
What wavelength type is associated with REM sleep?
Beta waves
What wavelength type is associated with stage 1 sleep?
Low voltage and spindles
What wavelength type is associated with stage 2 sleep?
Theta waves
What wavelength type is associated with stage 3 sleep?
Theta waves
What wavelength type is associated with stage 4 sleep?
Delta waves
What type of pattern does sleep display?
Rhythmic pattern
Describe the rhythmic pattern of sleep
Stages 1 —> 4
REM
Stages 1—> 4 again
What are some characteristics (2) associated with REM sleep throughout the night as morning approaches?
REM periods become:
- LONGER
- DEEPER
What stage of sleep is similar to alert wakefulness?
REM - it’s linked to the activeness of brain activity
What percentage of sleep consists of non-REM (NREM) sleep?
75-80%
What percentage of sleep consists of REM sleep?
20-25%
Slow wave sleep (stages 1-4)/ NREM sleep is associated with?
the develpoment of LARGE, SLOW delta waves
“INACTIVE brain in a MOVABLE body”