The awareness of internal and external stimuli, including thoughts, sensations, and surroundings.
What is consciousness?
The sleep disorder characterized by difficulty falling asleep, staying asleep, or waking too early.
What is insomnia?
The psychoanalyst who believed dreams represent unconscious desires and conflicts.
Who is Sigmund Freud?
A trance-like state of heightened suggestibility, deep relaxation, and focused attention.
What is hypnosis?
Drugs that slow down the central nervous system and decrease neural activity.
What are depressants?
The internal biological clock that regulates sleep-wake cycles and other bodily functions.
What is the circadian rhythm?
A sleep disorder in which breathing is repeatedly interrupted during sleep.
What is sleep apnea?
According to Freud, the disguised, symbolic meaning of a dream.
What is the latent content?
The theory that hypnosis is a social interaction in which a person acts in a way they believe is expected.
What is the social-cognitive theory of hypnosis?
This highly addictive stimulant affects dopamine levels and can cause increased energy and alertness.
What is cocaine?
The sleep stage characterized by rapid eye movements and vivid dreams.
What is REM sleep?
The disorder where a person suddenly falls into REM sleep at inappropriate times.
What is narcolepsy?
The dream theory that suggests dreams are the brain's way of making sense of random neural activity.
What is the activation-synthesis theory?
The practice of focusing attention and eliminating distractions to achieve a heightened state of awareness.
What is meditation?
The category of drugs that distorts perceptions and alters sensory experiences.
What are hallucinogens?
The brain waves associated with deep sleep (stages 3 and 4).
What are delta waves?
This disorder, often occurring in deep sleep, involves moving, talking, or even walking while asleep.
What is sleepwalking?
This theory proposes that dreams help process emotions and consolidate memories.
What is the cognitive theory of dreaming?
This type of meditation involves repeating a mantra or focusing on a single point.
What is concentrative meditation?
The body’s adaptation to a drug, requiring increased amounts for the same effect.
What is tolerance?
This hormone, produced by the pineal gland, helps regulate sleep.
What is melatonin?
Intense fear or panic that occurs during sleep, mostly in children.
What are night terrors?
The ability to be aware that one is dreaming and to potentially control the dream.
What is lucid dreaming?
A mindfulness-based meditation practice that focuses on nonjudgmental awareness of the present moment.
What is mindfulness meditation?
The unpleasant symptoms that occur when stopping the use of an addictive drug.
What is withdrawal?