Wednesday - November 26, 2025
Study: Body's circadian rhythm may increase overnight cardiovascular risk in people with sleep apnea
November 17, 2025
PORTLAND, Oregon, Nov. 17 -- Oregon Health and Science University issued the following news:

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Study: Body's circadian rhythm may increase overnight cardiovascular risk in people with sleep apnea

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New research suggests that the circadian system in people with obstructive sleep apnea may disrupt blood vessel function overnight, which may help explain the higher risk of nighttime heart attacks in people with sleep apnea.

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