title: [Possible effect of the geomagnetic field on human sleep].
mesh_terms: D001921:Brain / Q000502:physiology; D002675:Child, Preschool; D004569:Electroencephalography; D006801:Humans; D008280:Magnetics; D012890:Sleep; D012894:Sleep Stages
vernacular_title: O moznom vplyve magnetického pol'a zeme na spánok cloveka.