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What are circadian rhythm disorders?
Circadian rhythm disorders are disruptions in a person’s circadian rhythm—a
name given to the "internal body clock" that regulates the
(approximately) 24-hour cycle of biological processes in ... |
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What is delayed sleep phase syndrome (DSPS)?
Delayed sleep phase syndrome (DSPS) is a disorder of sleep timing. People
with DSPS tend to fall asleep at very late times, and will subsequently sleep
later in the day having difficulty waking up in time for... |
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What is jet lag (time zone syndrome)?
Jet lag (time zone change syndrome) often results in symptoms including
difficulty initiating or maintaining sleep, excessive sleepiness, and a lack of
daytime alertness following rapid travel across multiple time... |
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What is non 24-hour sleep wake disorder?
Non 24-hour sleep wake disorder is a condition that results when a person
inadvertently delays bedtime and then attempts to sleep at a conventional time.
People with 24-hour sleep wake disorder have daily sleep t... |
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What is shift work sleep disorder (SWSD)?
Shift work sleep disorder (SWSD) is a sleep disorder that affects people who
frequently rotate shifts or work at night. Schedules of these people go against
the body’s natural Circadian rhythm and individuals ha... |
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