Noise Health Close
 

Figure 2. Behaviour of sleeping with open or with closed windows related to the type of noise (rail or road) and to the source-related outdoor sound pressure levels (as if measured outdoors 1 m in front of the bedroom windows).

Figure 2. Behaviour of sleeping with open or with closed windows related to the type of noise (rail or
road) and to the source-related outdoor sound pressure levels (as if measured outdoors 1 m in front of
the bedroom windows).