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Human Body
Sleep
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Which sleep disorder stops a person from falling asleep or staying asleep?
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Insomnia
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Parasomnia
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Sleep bruxism
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Hypersomnia
Explanation
Insomnia is one of the most common sleep disorders. In this condition, a person finds it difficult to fall asleep or stay awake.
Who is credited with having discovered REM sleep?
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Eugene Aserinsky
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Marquis d'Hervey de Saint Denys
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Alfred Maury
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William C. Dement
Explanation
Eugene Aserinsky was a student of American physiologist Nathaniel Kleitman. He is credited with having discovered REM sleep in 1952.
What are drugs prescribed to induce sleep called?
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Hypnotics
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Antihistamines
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Benzodiazepines
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Non-barbiturates
Explanation
Hypnotics are the kind of drugs used in treating disorders related to sleep, such as insomnia. They are also used for surgical anesthesia.
What is the medical term for bedwetting during sleep?
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Nocturnal enuresis
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Sleep Apnea
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Narcolepsy
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Kleine-Levin syndrome
Explanation
Nocturnal enuresis is the condition where a person older than an infant is not able to control his/her bladder during sleep.
How many stages of sleep are there?
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4
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3
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2
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6
Explanation
Sleep involves four stages in general. Out of these, the first three are categorized as non-rapid eye movement (NREM) sleep, while the fourth one is known as rapid eye movement (REM) sleep.
What is the name for the scientific study of dreams?
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Oneirology
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Oncology
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Neurology
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Ornithology
Explanation
The scientific study of dreams is known as Oneirology. Contrary to popular belief, Oneirology does not include analysis of dreams. It is about studying the process of dreams.
During which stage of sleep do we dream?
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REM
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NREM 1
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NREM 2
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NREM 3
Explanation
Rapid eye movement (REM) sleep is the fourth stage of sleep. It is during this stage that we dream.
Who is the Greek god of sleep?
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Hypnos
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Athena
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Dionysus
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Poseidon
Explanation
Hypnos was the Greek god of sleep. He was the twin brother of Thanatos, the god of death, and son of Nyx, the god of night.
Which sleep disorder involves excessive grinding of teeth?
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Sleep bruxism
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Hypersomnia
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Parasomnia
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Insomnia
Explanation
Sleep Bruxism is a disorder that leads to the grinding of teeth during sleep. It is considered a stress-related disease.
What is the other name for REM sleep?
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Paradoxical sleep
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Hypnosis Sleep
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Deep Sleep
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Short Sleep
Explanation
REM (Rapid Eye Movement) sleep is also known as paradoxical sleep. Intense brain activity in the midbrain and forebrain is involved in this stage of sleep.
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