“Any causes of sleep curtailment or fragmentation such as sleep restriction, sleep apnea, insomnia, periodic limb movements during sleep, and shift work, not only impair cardiovascular restoration but also impose a stress on the cardiovascular system. Sleep disturbances have been reported to play a role in the development of stroke and other cardiovascular disorders.”

It’s unclear exactly why excess sleep increases stroke risk, but long nappers and sleepers are more likely to have increased waist circumferences and inactive lifestyles, both of which are risk factors for stroke. However, other mechanisms could also be at play, as the relationship between sleep and cardiovascular health is complex and still being explored.



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