Stages & rhythms
Why do we sleep?
Sleep Loss
Dreams
100

Rapid eye movement sleep

What is REM sleep?

100

In primal times, those who didn't wander during the night and slept were safer.

What is sleep protects?

100

Doing normal activities while asleep

What is Sleepwalking?

100

The theory that dreams help us sort out the days events and consolidate our memories.

What is information proccessing?

200

An internal biological clock to help our bodies roughly synchronize with the 24-hour day

What is Circadian Rhythm? 

200

Sleep gives your body and brain a chance to repair, rewire, and reorganize.

What is sleep helps us recuperate?

200

Recurring problems in falling or staying asleep

What is Insomnia? 

200

The tendency for REM sleep to increase following REM sleep deprivation

What is REM rebound?

300

The large slow brain waves associated with deep sleep

What is Delta Waves?

300

Sleep reactivates recent experiences stored in the hippocampus and shifts them for permanent storage elsewhere in the cortex.

What is sleep helps restore and rebuild our fading memories of the day's experience? 

300

A sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings

What is sleep apnea?

300

According to Freud, the symbolic, remembered story line of a dream

What is Manifest Content?

400

The sleep stage in which you cognitively experience a story-like dream

What is sleep stage N1?

400

Dreams can inspire noteworthy artistic and scientific achievements. 

What is sleep feeds creative thinking?

400

A sleep disorder characterized by uncontrollable sleep attacks 

What is Narcolepsy? 

400

According to Freud, the underlying meaning of a dream.

What is latent content?

500

Pair of cell clusters in the hypothalamus that controls the circadian rhythm

What is the suprachiasmatic nucleus?

500

During slow-wave sleep, the pituitary gland releases a human growth hormone that is necessary for muscle development. 

What is sleep supports growth?

500

Occurs during N3 sleep and characterized by high arousal and an appearance of being terrified

What is night terrors?

500

This theory says that dreams provide a "psychic safety valve"- expressing otherwise unacceptable feelings

What is Freud's wish fufillment?