Sleep disorder

Sleep disorders 

-insomnia 

Reoccurring problems in falling or staying asleep

Narcolepsy 

- characterized by uncontrollable sleep attacks 

-lapses directly into REM sleep ( usually during times of stress or joy )

Sleep apnea 

- a sleep disorder characterized by temporary cessation of breathing during sleep and consequent momentary reawakening 

Night terrors 

- a sleep disorders characterized by high arousal and an appearance of being terrified 

- occurs in stage 4 not rem 

Sleepwalking 

- sleep walking most often occurs during deep non-rem sleep (stage 3 or stage 4 sleep ) early in the night 

Dreams 

- a sequence of images, emotions, and thoughts passing through a sleeping person mind 

Manifest 

- the remembered storyline of a dream

Latent

-the underlying meaning of a dream

Why do we dream ?

Freud wish fulfillment theory 

-dreams are key to understanding 

-ideas and thoughts that are hidden in our unconscious 

Information processing theory 

-dreams act to sort out and understand the memories that you experience that day 

-rem sleep does increase after stressful events 

Activation synthesis theories

- during the night our brain stem releases random neural activity, dreams may be a way to make sense of that activity