Choose the correct option. Wakefulness is characterized by:

Choose the correct option. A biological rhythm that occurs over 24 hours is called:

Choose the correct option. The master clock of the brain that regulates circadian rhythm is:

Choose the correct option. The SCN is located in the:

Choose the correct option. Which hormone makes us feel sleepy and is released in darkness?

Choose the correct option. Melatonin is released by the:

Choose the correct option. A person’s natural sleep pattern is called:

Jet lag occurs due to:

Rotating shift work mainly disrupts:

Chronic lack of sleep leads to:

Sleep rebound refers to:

The lowest body temperature occurs:

EEG is used to measure:

Delta waves are:

Difficulty falling or staying asleep is called:

Sleepwalking occurs during:

SIDS refers to:

Hypnosis involves:

Meditation involves:

Write T or F. Consciousness includes awareness of hunger and pain.

Write T or F. Wakefulness has reduced sensory awareness.

Write T or F. The hypothalamus maintains homeostasis.

Write T or F. SCN receives light information from the retina.

Write T or F. Melatonin is released in daylight.

Write T or F. Chronotype means individual sleep pattern.

Write T or F. Jet lag causes insomnia and fatigue.

Write T or F. Bright light helps reset biological clocks.

Write T or F. Sleep deprivation only affects memory.

Write T or F. Sleep debt results from chronic lack of sleep.

Write T or F. REM sleep is controlled by the pons.

Write T or F. Growth hormone is secreted during sleep.

Write T or F. Adaptive theory of sleep is strongly supported by evidence.

Write T or F. Slow-wave sleep helps memory formation.

Write T or F. Alpha waves occur during deep sleep.

Write T or F. Insomnia may be linked with depression.

Write T or F. Parasomnias involve unwanted behaviors during sleep.

Choose True or False: Night terrors occur during REM sleep.

Choose True or False: Hypnotized people lose all control.

Choose True or False: Meditation helps reduce stress and anxiety.

Fill in the blank: ________ is awareness of internal and external stimuli.

Fill in the blank: ________ rhythm follows a 24-hour cycle.

Fill in the blank: The ________ nucleus is the brain’s master clock.

Fill in the blank: The SCN is located in the ________.

Fill in the blank: ________ hormone makes us sleepy.

Fill in the blank: Melatonin is released by the ________ gland.

Fill in the blank: Individual sleep pattern is called ________.

Fill in the blank: ________ is caused by crossing time zones.

Fill in the blank: ________ shift work disrupts circadian rhythm.

Fill in the blank: Chronic lack of sleep leads to ________.

Fill in the blank: Falling asleep faster after deprivation is ________.

Fill in the blank: Brainwaves are recorded using ________.

Fill in the blank: ________ waves are high amplitude, low frequency.

Fill in the blank: Difficulty sleeping is called ________.

Fill in the blank: Sleepwalking is a type of ________.

Fill in the blank: REM behavior disorder occurs when ________ does not occur.

Fill in the blank: Infant death during sleep is called ________.

Fill in the blank: Hypnosis involves ________ and suggestion.

Fill in the blank: Meditation increases ________ awareness.

Fill in the blank: Sleep helps ________ formation.

Answer in 2–3 lines: Ali travels from Saudi Arabia to the USA and feels tired and unable to sleep at night. What condition is he experiencing and why?

Answer in 2–3 lines: Sara works night shifts that change every week. She feels exhausted and irritable. Which biological rhythm is disturbed?

Answer in 2–3 lines: Ahmed stays awake studying for two nights. When he finally sleeps, he falls asleep quickly. What is this phenomenon called?

Answer in 2–3 lines: A patient has difficulty falling asleep at least three nights per week for one month. Identify the disorder.

Answer in 2–3 lines: A child walks around the house while asleep and does not remember it later. Which parasomnia is this?

Answer in 2–3 lines: A person acts out dreams and moves violently during REM sleep. What disorder is described?

Answer in 2–3 lines: A newborn stops breathing during sleep and dies unexpectedly. Identify the condition.

Answer in 2–3 lines: A therapist uses suggestion and relaxation to help a patient quit smoking. Which altered state of consciousness is used?

Answer in 2–3 lines: A student practices focusing on breathing to reduce stress and improve sleep. Which technique is this?

Answer in 2–3 lines: During deep sleep, slow high-amplitude brainwaves appear on EEG. Name these waves and state one function of this sleep stage.

The disorder is insomnia.

This is sleepwalking, a type of parasomnia.

This is REM sleep behavior disorder.

This condition is Sudden Infant Death Syndrome (SIDS).

This is hypnosis.

This is meditation.

These are delta waves; slow-wave sleep helps memory formation.