A patient in the clinic tells the nurse that she has difficulty sleeping at night. When developing a plan of care for this patient, which of the following would the nurse consider?
A) Melatonin is released in response to darkness.
B) Sunlight reduces the release of melatonin.
C) Melatonin is released in the late afternoon.
D) Melatonin secretion stops about 2 a.m.
B) Sunlight reduces the release of melatonin.
Explanation: A) Melatonin, a sleep-inducing hormone produced by the pineal gland, is released just before a person's normal bedtime and stops about 7:00 a.m. Melatonin release drops over the course of the sleep period. Exposure to light causes melatonin release to lessen.
B) Melatonin, a sleep-inducing hormone produced by the pineal gland, is released just before a person's normal bedtime and stops about 7:00 a.m. Melatonin release drops over the course of the sleep period. Exposure to light causes melatonin release to lessen.
C) Melatonin, a sleep-inducing hormone produced by the pineal gland, is released just before a person's normal bedtime and stops about 7:00 a.m. Melatonin release drops over the course of the sleep period. Exposure to light causes melatonin release to lessen.
D) Melatonin, a sleep-inducing hormone produced by the pineal gland, is released just before a person's normal bedtime and stops about 7:00 a.m. Melatonin release drops over the course of the sleep period. Exposure to light causes melatonin release to lessen.
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