After one night without sleep, healthy men show changes in two blood chemicals related to blood vessel health, suggesting their blood vessels might not work as well.

Evidence Quality Assessment

Claim Status

appropriately stated

Study Design Support

Design supports claim

Appropriate Language Strength

association

Can only show association/correlation

Assessment Explanation

The study design supports correlational claims about biomarker changes without implying causation. The language correctly avoids causal terms.

Evidence from Studies

Supporting (1)

32

Hemodynamic, Autonomic, and Vascular Function Changes after Sleep Deprivation for 24, 28, and 32 Hours in Healthy Men

Cohort Study

Human

2018 Nov

Contradicting (0)

0

No contradicting evidence found

Source Study

Hemodynamic, Autonomic, and Vascular Function Changes after Sleep Deprivation for 24, 28, and 32 Hours in Healthy Men

Score: 32

DOI: 10.3349/ymj.2018.59.9.1138

Similar Assertions

After one night without sleep, average blood pressure rises by about 4 points and stays elevated for up to a day and a half in healthy men.

32

0

77%

The heart's ability to pump blood per minute per body area remains stable even after 32 hours without sleep in healthy men.

32

0

74%

After 24 hours without sleep, heart rate drops slightly but then starts rising again over the next 8 hours, suggesting the body's response to sleep loss changes over time.

32

0

74%

After staying awake for a day, healthy men in their early 30s with average weight experience a small but noticeable rise in blood pressure that stays elevated for up to a day and a half.

32

0

73%