A client with a history of insomnia is scheduled for a polysomnogram that requires an overnight stay in a sleep laboratory. Which additional information about this test should the nurse provide to the client?
A) The test occurs 2 hours after awakening from the overnight sleep study.
B) The test requires a 24-hour interval of sleep deprivation.
C) The test records the biophysical changes the client experiences during sleep.
D) The test consists of five 20-minute nap trials.
Answer: C
The polysomnogram records biophysiologic parameters such as brain waves and eye movements during sleep. The multiple sleep latency test (MSLT) occurs 2 hours after awakening from the overnight sleep study. Nap trials are part of the MSLT. The polysomnogram does not require a 24-hour sleep deprivation.
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