Resource Documents by Rylander, Ragnar
Persson Waye, Kerstin; Clow, Angela; Edwards, Sue; Hucklebridge, Frank; and Rylander, Ragnar
Effects of nighttime low-frequency noise on the cortisol response to awakening and subjective sleep quality
Abstract: The effects of night-time exposure to traffic noise (TN) or low frequency noise (LFN) on the cortisol awakening response and subjective sleep quality were determined. Twelve male subjects slept for five consecutive nights in a noise-sleep laboratory. After one night of acclimatisation and one reference night, subjects were exposed to either TN (35dB LAeq, 50dB LAmax) or LFN (40dB LAeq) on alternating nights (with an additional reference night in between). Salivary free cortisol concentration was determined in saliva samples . . . Complete article »
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