Acute Sleep Loss : A term used to describe the condition of obtaining significantly less sleep than needed for cognitive functioning. This may occur with less than 4 hours of sleep in a 24-hour period
Ministry of Development, Industry and Foreign Trade, Definitions and Abbreviations, GHS (Globally Harmonized System of Classification and Labelling of Chemicals) Brazil, http://www.desenvolvimento.gov.br/arquivos/dwnl_11 97483901.pdf, (Globally Harmonized Sys of Class and Labl of Chem - Brit) {634}
