Consciousness/Altered States

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

• SCN

• serotonin

During this stage of sleep, you drift in and out of sleep and can be easily awakened.

• Stage 1

• Stage 2

• Stage 3

• Stage 4

During this stage of sleep, muscle activity and eye movements completely stop, and you become difficult to awaken.

• Stage 1

• REM

• Stage 2

• Stage 4

REM stands for

• Rapid eye movement
• Rapid eye motion
• Rage eye movement
• Random eye movement

Which disorder is characterized by uncontrollable sleep attacks, in which a sufferer may slip directly into REM sleep

• Insomnia

• Narcolepsy

• Sleep Apnea

• Night Terrors

The large, slow brain waves associated with deep sleep are called

• alpha waves. 
• beta waves. 
• delta waves.
•  theta waves.

The state of awareness that includes a person's feelings, sensations, ideas, and perceptions

• Night Terrors
• Sleepwalking
• Consciousness
• Narcolepsy