Conciousness and the Sleep Cycle

Conciousness

our awareness of ourselves and our surroundings

Freuds Ice berg theory

dimmer switch tip of ice berg is concoisu once we reach under the water we become less and aless concious

Circadian Rythm

biological day clock out bodies have a biological pattern of sleep and wakefulness effects our body temp, moods, breathing, etc

Basics of Sleep cycle

each cycle is 90 minutes long was discovered by tracking the brains acticy while alseep slow alpha waves 

Stage 1/ NREM 1

2-3 min of light sleep brain waves and breathing slow hallucinations may occur hypnotic jerk often occurs

Hypnotic Jerk

a body quake realeses any excess energy

Stage 2/NREM 2 

20 min long you are clearly alseep happens on the way to rem sleep and waking up from rem sleep we experience sleep spindlesmay experience sleep talking 

Sleep spindles

burts of brain activity

Stage 3 & 4/ NREM 3

about 3 min long stage 3 is a short trnasiont to stage 4 which is deep sleep Show Delta waves(deep sleepprocesses some stimuli but no alot, may sleep walk)

Rem sleep

stage 2 happens again before this rapid eye movement occurs 5-20 min long eyes rapidly moving signifies dreaming is happening your heart rate increases and breathing and may cause genital arousal

Repeat

stage 4 and 3 get shorter and rem becomes longer

Sleep depervation

lack of sleep impacts a person and builds up sleep debt, can experience sleep debt for up to two weeks you lack creativty and conceentractio