Sleep Flashcards
Stage one of the sleep cycle
Breathing slows, a regular brain waves begin, easily awakened, last 5 to 10 minutes, happens 4 to 5 times a night, hypno jerk thing
What is used to measure brain activity
EEG to create graphs of electricity in brain. Tells you where you are in the sleep cycle
Stage two of sleep cycle
Move into deeper sleep, brainwave shows spindles or tight bursts of activity, still easily awakened, lasts about 20 minutes
Stage III of the sleep cycle
Deeper sleep again, brain waves begin to show large slow waves which are delta waves, lasts about 20 to 30 minutes, sleep talking can happen now or any later stage
Stage four of the sleep cycle
Deepest sleep, very difficult to wake up, all delta waves, most restorative stage of sleep, sleepwalking, night terrors which are when you wake up screaming but don’t remember
Rapid eye movement stage
A.k.a. dream sleep, brain pattern similar to those when awake, paradoxical sleep since externally still but internally very active, about 20% of entire night is spend streaming, lucid dream is when you can control what happens
Two main reasons for sleep
Restoration and preservation
Fancy term for sleepwalking
Somnambulism
What sleep disorder is category rise by heavy loud snoring
Sleep apnea
Another term for teeth grinding
Bruxism
How long is one sleep cycle
90 minutes
Klein-levin syndrome
Sleeping beauty thing
REM behavior disorder
Do stuff in dreams in real life
FFI
Cannot sleep until you die
Norcolepsy
Sleepy pouch