There is a threshold effect near 60 dB where sleep quality declines sharply.
REM and deep sleep minutes drop significantly once noise exceeds 60 dB.
Total sleep duration falls by about one hour in noisy conditions above 58 dB.
Sleeping heart rate increases by 4–5 bpm when noise crosses the 60 dB mark.
Heart rate variability decreases by 15–20% above roughly 60 dB.
A composite sleep score drops from the high 70s to mid 60s past the 55–60 dB range.
Get notified when new stories are published for "General AI News"