Consciousness (Focus on Sleep)

What is sleep?

• a form of consciousness with low levels of sensory awareness and physical activity

• a form of unconsciousness with low levels of sensory awareness and physical activity

• a form of consciousness with low levels of brain activity

• a form of unconsciousness with high levels of brain activity

The pattern of physical and behavioral changes that follows a 24 hour cycle, in accordance with the hours of light and darkness.

• REM

• NREM

• circadian rhythm

• ultradian rhythm

The stages of sleep are classified into two distinct basic types characterized by

• body temperature

• breathing rates.

• rapid eye movement vs non-rapid eye movement

• the ability of the sleeper to quickly respond to stimulus

The stages of sleep are differentiated from each other by

• varying levels of adrenaline found in the blood

• varying patterns of brain activity

• whether you are dreaming or not

• your core body temperature

A hormone released by the pineal gland that increases feelings of relaxation and tiredness

• dopamine

• melatonin

• epinephrine

• serotonin

Approximately what percentage of their life time does a person spend asleep?

• 33%

• 10%

• 50%

• 25%

REM stands for______________

• rapid eye movement

• random episodic memory

• reoccurring eye movements

• reflective emotional memory

TRUE of FALSE: The stage of sleep in which we are most likely to dream is the REM stage.

• TRUE

• FALSE

In REM sleep, the motor cortex is active, but the __________ blocks our physical bodily movements.

• brain stem

• adrenal glands

• hypothalamus

• prefrontal lobe

________________ is a sleep disorder that causes difficulty falling and staying asleep.

• Narcolepsy

• Night terrors

• Sleep apnea

• Insomnia