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Exemplary overview of STRAIN I, the first laboratory study with 4 * 8 = 32 subjects. In all periods there are one adaptation, one baseline and two recovery nights (0). Aircraft noise exposure takes place in 27 nights, with a total of 8 * 27 = 216 nights allocated to noise (N). A group with eight subjects is the control group (here in period 1 of the study).

Exemplary overview of STRAIN I, the first laboratory study with 4 * 8 = 32 subjects. In all periods there are one adaptation, one baseline and two recovery nights (0). Aircraft noise exposure
takes place in 27 nights, with a total of 8 * 27 = 216 nights allocated to noise (N). A group with eight subjects is the control group (here in period 1 of the study).