Consciousness and Circadian Rhythms
The Need for Sleep
Why do we Sleep
NREM Sleep
REM Sleep and Dreams
100

This term refers to our awareness of internal and external stimuli

What is consciousness? 

100

This is the term for the mismatch between our internal circadian rhythms and our environment. 

What is Jet Lag? 

100

Scientists believe that adequate sleep is crucial for ____________ function. 

What is memory function? 

100

When we are awake, our brain wave activity is dominated by these brain wave patterns. 

What are beta waves? 

100

This type of sleep refers to rapid eye movement sleep. 

What is REM sleep? 

200

This state of consciousness is marked by relatively low levels of physical activity and reduced sensory awareness 

What is sleep? 

200

This refers to a person's work schedule where their work times vary frequently and can lead to irregular circadian rhythms resulting in sleep problems, and potentially depression, anxiety, or mistakes on the job. 

What is rotating shift work? 

200

These parts of the brain are associated with controlling sleep-wake cycles. 

What are the thalamus, hypothalamus, and the pons. 

200

This type of sleep is categorized by a slowdown in respiration and heartbeat as well as a decrease in muscle tension and core body temperature. 

What is Stage 1 sleep? 

200

During REM sleep there is no voluntary movement of this. 

What is muscles? 

300

This state of consciousness is characterized by high levels of sensory awareness, thought, and behavior. 

What is wakefulness? 

300

Expsoing the body to this stimulus can help alleviate the negative impacts of rotating shift work or jet lag. 

What is bright light? 

300
Certain hormones released during sleep help contribute to our physical ___________. 

What is growth? 

300

These types of brain waves resemble someone who is very relaxed yet awake, and are found in stage 1 sleep. 

What are alpha waves? 

300

This is the term for a hidden meaning in our dreams. 

What is latent content? 

400

This is a biological rhythm that takes place over a period of 24 hours. 

What is a circadian rhythm? 

400

This is the term for someone who does not get sufficient sleep on a chronic basis. 

What is sleep debt? 

400

These are the positive benefits of adequate amounts of sleep. 

What are maintaining a healthy weight, lowering stress levels, improving mood, increasing motor coordination, and cognition and memory benefits? 

400

This stage of NREM sleep is the most difficult to wake someone from. 

What is stage 3 sleep? 

400

This term refers to similar symbols in dreams that all of us experience. 

What is the collective unconscious? 

500

This is the part of the brain that releases melatonin to regulate our biological rhythms. 

What is the pineal gland?

500

More severe than sleep debt, this term for a lack of sleep can also result in depression-like symptoms and can be associated with obesity, increased blood pressure, increased levels of stress and reduced immune function. 

What is sleep deprivation? 

500

This is the estimated number of years of our lives we spend sleeping. 

What is 25 years? 

500

This is the term for high frequency brain activity experienced during stage 2 sleep. 

What are sleep spindles?

500

This is the term for a dream in which you also experience aspects of wakefulness. 

What is lucid dreaming? 

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