Noise harms the cardiovascular system even without disturbing sleep

Evidence

Cardiovascular disturbances are independent of sleep disturbances; noise that does not interfere with the sleep of subjects may still provoke autonomic responses and secretion of epinephrine, norepinephrine, and cortisol — Gordon Hempton, John Grossmann, One Square Inch of Silence- One Man’s…, 1063

Categorization

• corroborated: 2 independent passages support this claim — Gordon Hempton, John Grossmann, One Square Inch of Silence- One Man’s…, 1063
• XREF: connects to: Ordinary daily urban ambient noise levels correlate with heart disease risk — George Michelsen Foy, Zero Decibels: The Quest for Absolute…, 185; Certain low-frequency sounds can resonate with body organs and cause physical harm — George Michelsen Foy, Zero Decibels: The Quest for Absolute…, 45; Much age-related hearing decline stems from environmental noise, not aging itself — Schafer, Murray R, The Soundscape- Our Sonic Environment…, 621 (+5 more)

Broader Connections

• Ordinary daily urban ambient noise levels correlate with heart disease risk #corroborates (0.75) — George Michelsen Foy, Zero Decibels, 185
• Certain low-frequency sounds can resonate with body organs and cause physical harm #expands (0.50) — George Michelsen Foy, Zero Decibels, 45
• Much age-related hearing decline stems from environmental noise, not aging itself #expands (0.45) — Schafer, Murray R, The Soundscape- Our Sonic Environment…, 621