Sleep is the mechanism by which the body's physiological functions are coordinated to happen, so sleep deprivation increases heart rate because heart rate is the 'port of call' that enables all other physiological functions.
causalpending
Evidence Quote
“because the heart rate is essentially the Port of Call to then get all the other physiological functions happening so if you're not getting enough sleep it's very likely you're going to have an increased heart rate in your training session”
Created: 8/13/2026, 10:26:22 AM
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