A man of sixty years of age complains that he is a much lighter sleeper than he used to be. This is likely because _____________________.
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REM sleep is unaltered with increasing age during adulthood; |
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stage 1 sleep decreases with age; |
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stage 2 sleep decreases with age; |
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stage 4 sleep decreases with age; |
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people become less distracted by noises in the night with increasing age; |
INCORRECT - REM sleep does not tend to change with increasing age, yet this would have not bearing on the light sleep of stages 1 and 2.
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