A hand from the cloud emerges, holding a chart expanded
In the course of several studies, 22 male and female subjects, ranging in age from 5–75 years, have been stimulated while asleep by simulated sonic booms […] and subsonic jet flyover noise. […]
Children (5–8 years of age) are uniformly unaffected by noise during sleep;
older subjects are more sensitive to noise than younger subjects;
women are more sensitive to noise during sleep than are men.
oil on canvas { Hilo Chen, Beach 163, 2009 }