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Figure 6. Relation of exposure and persons with waking-up reactions/changes of sleep stages (results of a few field studies), FICAN 1998 (Federal Interagency Committee on Aircraft noise, 1997) SEL = Sound exposure level

Figure 6. Relation of exposure and persons with waking-up reactions/changes of sleep stages (results of a few field studies), FICAN 1998 (Federal Interagency Committee on Aircraft noise, 1997) SEL = Sound exposure level