People who have trouble sleeping—like not being able to fall asleep, stopping breathing at night, or falling asleep at the wrong times—are much more likely to develop heart disease, and it might be because poor sleep messes up the body’s stress, inflammation, and metabolism systems.

39

Pro

0

Against

Evidence from Studies

Supporting (1)

39

Community contributions welcome

39

Causal association between sleep duration, daytime napping, sleep disorders and ischemic heart disease: A systematic review and meta‑analysis of Mendelian randomization studies

Systematic Review With Meta-Analysis

Human

2025 Dec

This study found that people with sleep problems like insomnia or sleep apnea are 44% more likely to have heart disease, which is exactly what the claim says — so it supports it.

Contradicting (0)

0

Community contributions welcome

No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Causal association between sleep duration, daytime napping, sleep disorders and ischemic heart disease: A systematic review and meta‑analysis of Mendelian randomization studies

Score: 39

DOI: 10.1016/j.ijcha.2025.101811

Similar Assertions

People who take a lot of naps during the day might be more likely to develop heart problems, even if they sleep well at night and aren’t overweight—this could mean their sleep isn’t restful or their heart is under extra stress.

39

0

75%

People who sleep six hours or less each night are more likely to develop heart disease, and this might be because not enough sleep messes up their metabolism and causes body inflammation.

39

0

74%