Adaptation at night as a survival function by keeping humans out of harms way during a time when they are most vulnerable
Evolutionary Theory of Sleep
Sleep Disorder where a person struggles to fall asleep or stay asleep for long periods of time
Insomnia
Level of consciousness where a person is at their most alert
Waking Consciousness
Theory where dreams do not have any meaning but they are electrical brain impulses that pull random thoughts and imagery from our memories
Activation-Synthesis Theory of Dreams
Individual who will randomly fall into REM sleep without warning
Narcolepsy
State where a person loses a significant amount of sleep
Sleep Deprivation
Theory where dreams (manifest content) represent unconscious desires, thoughts, wishes, and motivation (latent content)
Psychoanalytic Theory of Sleep (Freud's Theory)
Somnambulism
Type of sleep where a person unknowingly will fall asleep for short periods of time (3-5 seconds) when a person is in a state of sleep deprviation.
Microsleeps
Allows the body time to repair and replenish cell components necessary for normal functioning that become depleted throughout the day
Restorative Theory of Sleep
Sleep disroder where a person has excessive amounts of sleep
Hypersomnia
These are the 24-hour cycles our bodies follow for numerous things (sleep, body temperature, etc)
Circadian Rhythm
Linked to dreams where information learned during the day is transferred into one's memories
Information Processing Theory of Sleep
Sleep disorder where a person has nightmarish dreams during the deepest stage of sleep and the person may be moving or screaming in fear and is unable to be woken up
Night Terrors
States of consciousness where there is a change in brain activity (ex sleeping, caffeinated, etc.)
Altered States of Consciousness