Respuesta :
Disorder that is characterized by involuntary periods of sleep that occur throughout the day is called narcolepsy.
Narcolepsy is a type of neurological disorder that causes a person to have excessive and uncontrolled sleepiness during the day time. Such people are not able to control their urge to sleep and can get asleep anytime, during any kind of activity.
This involuntary periods of sleep occurring during the day time is caused due to this disorder.
In a typical sleep cycle, there are three stages- Early stage of sleep, deeper stage of sleep and rapid eye movement. But people with this disorder directly go into the third stage.
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