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Multiple Sleep Latency Test
The multiple sleep latency test (MSLT) is the most widely used objective assessment procedure for excessive daytime sleepiness. It consists of a series of five nap opportunities given every two hours in a sleep laboratory. The patient lies in a darkened, sound-attenuated room for up to 20 minutes and is instructed to fall asleep. The average latency to sleep onset over all nap opportunities provides an index of sleep propensity.
As a general guideline, only mean sleep latencies shorter than 8 minutes on an MSLT are considered abnormal, and latencies shorter than 5 minutes are taken to indicate severe excessive daytime sleepiness. A patient with a mean sleep latency of 2 minutes or less on an MSLT is unlikely to be exaggerating a complaint of excessive daytime sleepiness, to suffer from fatigue rather than sleepiness, or to be free of any sleep disorder.
Patient Data
  • Ramesh is a 34-year-old man with no major health problems who takes no prescription medicines.
  • Sara is a 23-year-old woman with asthma who takes a prescription stimulant daily for treatment.
  • Angel is a 72-year-old woman with major depressive disorder who takes a prescription anti-depressant daily.
  • John is an 11-year-old child who has been diagnosed with ADD, but does not take any prescription medications.
  • Steve is a 54-year-old man with mild heart disease who takes several over-the-counter supplements.
MSLT Results


NOTE: Data given is time until sleep in minutes and seconds. Results may be misleading if they are affected by patient age (different criteria apply for children under 16), noise in the sleep center, patient anxiety during the test, or atypical sleep on the previous night. Use of prescription medications such as stimulants or antidepressants can also lead to misleading results.
Based on the information presented, some of the patients have MSLT data that could be misleading and others do not. For the following statements, select Yes if the scenario provided would change that status for any of the five patients. Otherwise select No.
  • a)
    Part 1: Yes
    Part 2: No
    Part 3: Yes
  • b)
    Part 1: No
    Part 2: No
    Part 3: Yes
  • c)
    Part 1: Yes
    Part 2: Yes
    Part 3: Yes
  • d)
    Part 1: No
    Part 2: No 
    Part 3: Yes
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Multiple Sleep Latency TestThe multiple sleep latency test (MSLT) is t...
1. [no] There was a major noise disturbance in the sleep center on 6/17/17.
- Sara was tested on that date and she already had misleading data. So, her status of whether she has misleading data does not change (she had misleading data before, and now after the noise she still has misleading data, even if the actual data changes further)
2. [no] None of the patients who had a sleep test after 6/17 suffered from anxiety during the test.
- Steve anyway does not suffer from anxiety. For Angel and John, data was not reliable before either due to other reasons. So, status does not change.
3. [yes] All of the patients less than 50 years of age had atypical sleep the night before the test.
- This will change Ramesh and Steve's data from "not misleading" to "misleading".
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Question Description
Multiple Sleep Latency TestThe multiple sleep latency test (MSLT) is the most widely used objective assessment procedure for excessive daytime sleepiness. It consists of a series of five nap opportunities given every two hours in a sleep laboratory. The patient lies in a darkened, sound-attenuated room for up to 20 minutes and is instructed to fall asleep. The average latency to sleep onset over all nap opportunities provides an index of sleep propensity.As a general guideline, only mean sleep latencies shorter than 8 minutes on an MSLT are considered abnormal, and latencies shorter than 5 minutes are taken to indicate severe excessive daytime sleepiness. A patient with a mean sleep latency of 2 minutes or less on an MSLT is unlikely to be exaggerating a complaint of excessive daytime sleepiness, to suffer from fatigue rather than sleepiness, or to be free of any sleep disorder.Patient Data Ramesh is a 34-year-old man with no major health problems who takes no prescription medicines. Sara is a 23-year-old woman with asthma who takes a prescription stimulant daily for treatment. Angel is a 72-year-old woman with major depressive disorder who takes a prescription anti-depressant daily. John is an 11-year-old child who has been diagnosed with ADD, but does not take any prescription medications. Steve is a 54-year-old man with mild heart disease who takes several over-the-counter supplements.MSLT ResultsNOTE: Data given is time until sleep in minutes and seconds. Results may be misleading if they are affected by patient age (different criteria apply for children under 16), noise in the sleep center, patient anxiety during the test, or atypical sleep on the previous night. Use of prescription medications such as stimulants or antidepressants can also lead to misleading results.Based on the information presented, some of the patients have MSLT data that could be misleading and others do not. For the following statements, select Yes if the scenario provided would change that status for any of the five patients. Otherwise select No.a)Part 1: YesPart 2: NoPart 3: Yesb)Part 1: NoPart 2: NoPart 3: Yesc)Part 1: YesPart 2: YesPart 3: Yesd)Part 1: NoPart 2: NoPart 3: YesCorrect answer is option 'B'. Can you explain this answer? for GMAT 2025 is part of GMAT preparation. The Question and answers have been prepared according to the GMAT exam syllabus. Information about Multiple Sleep Latency TestThe multiple sleep latency test (MSLT) is the most widely used objective assessment procedure for excessive daytime sleepiness. It consists of a series of five nap opportunities given every two hours in a sleep laboratory. The patient lies in a darkened, sound-attenuated room for up to 20 minutes and is instructed to fall asleep. The average latency to sleep onset over all nap opportunities provides an index of sleep propensity.As a general guideline, only mean sleep latencies shorter than 8 minutes on an MSLT are considered abnormal, and latencies shorter than 5 minutes are taken to indicate severe excessive daytime sleepiness. A patient with a mean sleep latency of 2 minutes or less on an MSLT is unlikely to be exaggerating a complaint of excessive daytime sleepiness, to suffer from fatigue rather than sleepiness, or to be free of any sleep disorder.Patient Data Ramesh is a 34-year-old man with no major health problems who takes no prescription medicines. Sara is a 23-year-old woman with asthma who takes a prescription stimulant daily for treatment. Angel is a 72-year-old woman with major depressive disorder who takes a prescription anti-depressant daily. John is an 11-year-old child who has been diagnosed with ADD, but does not take any prescription medications. Steve is a 54-year-old man with mild heart disease who takes several over-the-counter supplements.MSLT ResultsNOTE: Data given is time until sleep in minutes and seconds. Results may be misleading if they are affected by patient age (different criteria apply for children under 16), noise in the sleep center, patient anxiety during the test, or atypical sleep on the previous night. Use of prescription medications such as stimulants or antidepressants can also lead to misleading results.Based on the information presented, some of the patients have MSLT data that could be misleading and others do not. For the following statements, select Yes if the scenario provided would change that status for any of the five patients. Otherwise select No.a)Part 1: YesPart 2: NoPart 3: Yesb)Part 1: NoPart 2: NoPart 3: Yesc)Part 1: YesPart 2: YesPart 3: Yesd)Part 1: NoPart 2: NoPart 3: YesCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for GMAT 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Multiple Sleep Latency TestThe multiple sleep latency test (MSLT) is the most widely used objective assessment procedure for excessive daytime sleepiness. It consists of a series of five nap opportunities given every two hours in a sleep laboratory. The patient lies in a darkened, sound-attenuated room for up to 20 minutes and is instructed to fall asleep. The average latency to sleep onset over all nap opportunities provides an index of sleep propensity.As a general guideline, only mean sleep latencies shorter than 8 minutes on an MSLT are considered abnormal, and latencies shorter than 5 minutes are taken to indicate severe excessive daytime sleepiness. A patient with a mean sleep latency of 2 minutes or less on an MSLT is unlikely to be exaggerating a complaint of excessive daytime sleepiness, to suffer from fatigue rather than sleepiness, or to be free of any sleep disorder.Patient Data Ramesh is a 34-year-old man with no major health problems who takes no prescription medicines. Sara is a 23-year-old woman with asthma who takes a prescription stimulant daily for treatment. Angel is a 72-year-old woman with major depressive disorder who takes a prescription anti-depressant daily. John is an 11-year-old child who has been diagnosed with ADD, but does not take any prescription medications. Steve is a 54-year-old man with mild heart disease who takes several over-the-counter supplements.MSLT ResultsNOTE: Data given is time until sleep in minutes and seconds. Results may be misleading if they are affected by patient age (different criteria apply for children under 16), noise in the sleep center, patient anxiety during the test, or atypical sleep on the previous night. Use of prescription medications such as stimulants or antidepressants can also lead to misleading results.Based on the information presented, some of the patients have MSLT data that could be misleading and others do not. For the following statements, select Yes if the scenario provided would change that status for any of the five patients. Otherwise select No.a)Part 1: YesPart 2: NoPart 3: Yesb)Part 1: NoPart 2: NoPart 3: Yesc)Part 1: YesPart 2: YesPart 3: Yesd)Part 1: NoPart 2: NoPart 3: YesCorrect answer is option 'B'. Can you explain this answer?.
Solutions for Multiple Sleep Latency TestThe multiple sleep latency test (MSLT) is the most widely used objective assessment procedure for excessive daytime sleepiness. It consists of a series of five nap opportunities given every two hours in a sleep laboratory. The patient lies in a darkened, sound-attenuated room for up to 20 minutes and is instructed to fall asleep. The average latency to sleep onset over all nap opportunities provides an index of sleep propensity.As a general guideline, only mean sleep latencies shorter than 8 minutes on an MSLT are considered abnormal, and latencies shorter than 5 minutes are taken to indicate severe excessive daytime sleepiness. A patient with a mean sleep latency of 2 minutes or less on an MSLT is unlikely to be exaggerating a complaint of excessive daytime sleepiness, to suffer from fatigue rather than sleepiness, or to be free of any sleep disorder.Patient Data Ramesh is a 34-year-old man with no major health problems who takes no prescription medicines. Sara is a 23-year-old woman with asthma who takes a prescription stimulant daily for treatment. Angel is a 72-year-old woman with major depressive disorder who takes a prescription anti-depressant daily. John is an 11-year-old child who has been diagnosed with ADD, but does not take any prescription medications. Steve is a 54-year-old man with mild heart disease who takes several over-the-counter supplements.MSLT ResultsNOTE: Data given is time until sleep in minutes and seconds. Results may be misleading if they are affected by patient age (different criteria apply for children under 16), noise in the sleep center, patient anxiety during the test, or atypical sleep on the previous night. Use of prescription medications such as stimulants or antidepressants can also lead to misleading results.Based on the information presented, some of the patients have MSLT data that could be misleading and others do not. For the following statements, select Yes if the scenario provided would change that status for any of the five patients. Otherwise select No.a)Part 1: YesPart 2: NoPart 3: Yesb)Part 1: NoPart 2: NoPart 3: Yesc)Part 1: YesPart 2: YesPart 3: Yesd)Part 1: NoPart 2: NoPart 3: YesCorrect answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for GMAT. Download more important topics, notes, lectures and mock test series for GMAT Exam by signing up for free.
Here you can find the meaning of Multiple Sleep Latency TestThe multiple sleep latency test (MSLT) is the most widely used objective assessment procedure for excessive daytime sleepiness. It consists of a series of five nap opportunities given every two hours in a sleep laboratory. The patient lies in a darkened, sound-attenuated room for up to 20 minutes and is instructed to fall asleep. The average latency to sleep onset over all nap opportunities provides an index of sleep propensity.As a general guideline, only mean sleep latencies shorter than 8 minutes on an MSLT are considered abnormal, and latencies shorter than 5 minutes are taken to indicate severe excessive daytime sleepiness. A patient with a mean sleep latency of 2 minutes or less on an MSLT is unlikely to be exaggerating a complaint of excessive daytime sleepiness, to suffer from fatigue rather than sleepiness, or to be free of any sleep disorder.Patient Data Ramesh is a 34-year-old man with no major health problems who takes no prescription medicines. Sara is a 23-year-old woman with asthma who takes a prescription stimulant daily for treatment. Angel is a 72-year-old woman with major depressive disorder who takes a prescription anti-depressant daily. John is an 11-year-old child who has been diagnosed with ADD, but does not take any prescription medications. Steve is a 54-year-old man with mild heart disease who takes several over-the-counter supplements.MSLT ResultsNOTE: Data given is time until sleep in minutes and seconds. Results may be misleading if they are affected by patient age (different criteria apply for children under 16), noise in the sleep center, patient anxiety during the test, or atypical sleep on the previous night. Use of prescription medications such as stimulants or antidepressants can also lead to misleading results.Based on the information presented, some of the patients have MSLT data that could be misleading and others do not. For the following statements, select Yes if the scenario provided would change that status for any of the five patients. Otherwise select No.a)Part 1: YesPart 2: NoPart 3: Yesb)Part 1: NoPart 2: NoPart 3: Yesc)Part 1: YesPart 2: YesPart 3: Yesd)Part 1: NoPart 2: NoPart 3: YesCorrect answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Multiple Sleep Latency TestThe multiple sleep latency test (MSLT) is the most widely used objective assessment procedure for excessive daytime sleepiness. It consists of a series of five nap opportunities given every two hours in a sleep laboratory. The patient lies in a darkened, sound-attenuated room for up to 20 minutes and is instructed to fall asleep. The average latency to sleep onset over all nap opportunities provides an index of sleep propensity.As a general guideline, only mean sleep latencies shorter than 8 minutes on an MSLT are considered abnormal, and latencies shorter than 5 minutes are taken to indicate severe excessive daytime sleepiness. A patient with a mean sleep latency of 2 minutes or less on an MSLT is unlikely to be exaggerating a complaint of excessive daytime sleepiness, to suffer from fatigue rather than sleepiness, or to be free of any sleep disorder.Patient Data Ramesh is a 34-year-old man with no major health problems who takes no prescription medicines. Sara is a 23-year-old woman with asthma who takes a prescription stimulant daily for treatment. Angel is a 72-year-old woman with major depressive disorder who takes a prescription anti-depressant daily. John is an 11-year-old child who has been diagnosed with ADD, but does not take any prescription medications. Steve is a 54-year-old man with mild heart disease who takes several over-the-counter supplements.MSLT ResultsNOTE: Data given is time until sleep in minutes and seconds. Results may be misleading if they are affected by patient age (different criteria apply for children under 16), noise in the sleep center, patient anxiety during the test, or atypical sleep on the previous night. Use of prescription medications such as stimulants or antidepressants can also lead to misleading results.Based on the information presented, some of the patients have MSLT data that could be misleading and others do not. For the following statements, select Yes if the scenario provided would change that status for any of the five patients. Otherwise select No.a)Part 1: YesPart 2: NoPart 3: Yesb)Part 1: NoPart 2: NoPart 3: Yesc)Part 1: YesPart 2: YesPart 3: Yesd)Part 1: NoPart 2: NoPart 3: YesCorrect answer is option 'B'. Can you explain this answer?, a detailed solution for Multiple Sleep Latency TestThe multiple sleep latency test (MSLT) is the most widely used objective assessment procedure for excessive daytime sleepiness. It consists of a series of five nap opportunities given every two hours in a sleep laboratory. The patient lies in a darkened, sound-attenuated room for up to 20 minutes and is instructed to fall asleep. The average latency to sleep onset over all nap opportunities provides an index of sleep propensity.As a general guideline, only mean sleep latencies shorter than 8 minutes on an MSLT are considered abnormal, and latencies shorter than 5 minutes are taken to indicate severe excessive daytime sleepiness. A patient with a mean sleep latency of 2 minutes or less on an MSLT is unlikely to be exaggerating a complaint of excessive daytime sleepiness, to suffer from fatigue rather than sleepiness, or to be free of any sleep disorder.Patient Data Ramesh is a 34-year-old man with no major health problems who takes no prescription medicines. Sara is a 23-year-old woman with asthma who takes a prescription stimulant daily for treatment. Angel is a 72-year-old woman with major depressive disorder who takes a prescription anti-depressant daily. John is an 11-year-old child who has been diagnosed with ADD, but does not take any prescription medications. Steve is a 54-year-old man with mild heart disease who takes several over-the-counter supplements.MSLT ResultsNOTE: Data given is time until sleep in minutes and seconds. Results may be misleading if they are affected by patient age (different criteria apply for children under 16), noise in the sleep center, patient anxiety during the test, or atypical sleep on the previous night. Use of prescription medications such as stimulants or antidepressants can also lead to misleading results.Based on the information presented, some of the patients have MSLT data that could be misleading and others do not. For the following statements, select Yes if the scenario provided would change that status for any of the five patients. Otherwise select No.a)Part 1: YesPart 2: NoPart 3: Yesb)Part 1: NoPart 2: NoPart 3: Yesc)Part 1: YesPart 2: YesPart 3: Yesd)Part 1: NoPart 2: NoPart 3: YesCorrect answer is option 'B'. Can you explain this answer? has been provided alongside types of Multiple Sleep Latency TestThe multiple sleep latency test (MSLT) is the most widely used objective assessment procedure for excessive daytime sleepiness. It consists of a series of five nap opportunities given every two hours in a sleep laboratory. The patient lies in a darkened, sound-attenuated room for up to 20 minutes and is instructed to fall asleep. The average latency to sleep onset over all nap opportunities provides an index of sleep propensity.As a general guideline, only mean sleep latencies shorter than 8 minutes on an MSLT are considered abnormal, and latencies shorter than 5 minutes are taken to indicate severe excessive daytime sleepiness. A patient with a mean sleep latency of 2 minutes or less on an MSLT is unlikely to be exaggerating a complaint of excessive daytime sleepiness, to suffer from fatigue rather than sleepiness, or to be free of any sleep disorder.Patient Data Ramesh is a 34-year-old man with no major health problems who takes no prescription medicines. Sara is a 23-year-old woman with asthma who takes a prescription stimulant daily for treatment. Angel is a 72-year-old woman with major depressive disorder who takes a prescription anti-depressant daily. John is an 11-year-old child who has been diagnosed with ADD, but does not take any prescription medications. Steve is a 54-year-old man with mild heart disease who takes several over-the-counter supplements.MSLT ResultsNOTE: Data given is time until sleep in minutes and seconds. Results may be misleading if they are affected by patient age (different criteria apply for children under 16), noise in the sleep center, patient anxiety during the test, or atypical sleep on the previous night. Use of prescription medications such as stimulants or antidepressants can also lead to misleading results.Based on the information presented, some of the patients have MSLT data that could be misleading and others do not. For the following statements, select Yes if the scenario provided would change that status for any of the five patients. Otherwise select No.a)Part 1: YesPart 2: NoPart 3: Yesb)Part 1: NoPart 2: NoPart 3: Yesc)Part 1: YesPart 2: YesPart 3: Yesd)Part 1: NoPart 2: NoPart 3: YesCorrect answer is option 'B'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Multiple Sleep Latency TestThe multiple sleep latency test (MSLT) is the most widely used objective assessment procedure for excessive daytime sleepiness. It consists of a series of five nap opportunities given every two hours in a sleep laboratory. The patient lies in a darkened, sound-attenuated room for up to 20 minutes and is instructed to fall asleep. The average latency to sleep onset over all nap opportunities provides an index of sleep propensity.As a general guideline, only mean sleep latencies shorter than 8 minutes on an MSLT are considered abnormal, and latencies shorter than 5 minutes are taken to indicate severe excessive daytime sleepiness. A patient with a mean sleep latency of 2 minutes or less on an MSLT is unlikely to be exaggerating a complaint of excessive daytime sleepiness, to suffer from fatigue rather than sleepiness, or to be free of any sleep disorder.Patient Data Ramesh is a 34-year-old man with no major health problems who takes no prescription medicines. Sara is a 23-year-old woman with asthma who takes a prescription stimulant daily for treatment. Angel is a 72-year-old woman with major depressive disorder who takes a prescription anti-depressant daily. John is an 11-year-old child who has been diagnosed with ADD, but does not take any prescription medications. Steve is a 54-year-old man with mild heart disease who takes several over-the-counter supplements.MSLT ResultsNOTE: Data given is time until sleep in minutes and seconds. Results may be misleading if they are affected by patient age (different criteria apply for children under 16), noise in the sleep center, patient anxiety during the test, or atypical sleep on the previous night. Use of prescription medications such as stimulants or antidepressants can also lead to misleading results.Based on the information presented, some of the patients have MSLT data that could be misleading and others do not. For the following statements, select Yes if the scenario provided would change that status for any of the five patients. Otherwise select No.a)Part 1: YesPart 2: NoPart 3: Yesb)Part 1: NoPart 2: NoPart 3: Yesc)Part 1: YesPart 2: YesPart 3: Yesd)Part 1: NoPart 2: NoPart 3: YesCorrect answer is option 'B'. Can you explain this answer? tests, examples and also practice GMAT tests.
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