2184-1578 2184-1578 S2184-15782020000200101 10.37914/riis.v3i2.85 Portugal Portugal Portugal Portugal 30 12 2020 30 12 2020 3 2 101 110

2016 20 1 1 35-8 2012 4 241-2 2010 27 5 5 1105-23 2004 38 4 4 415-21 2015 52 1 1 297-306 2003 4 3-4 3-4 263-88 2018 2 69 69 2012 7 4 4 2018 74 698-708 2018 62 2 2 American Academy of Sleep Medicine 2005 2017 67 71-4 2003 53 103-8 2017 73 5 5 1172-81 2005 13 2 2 255-61 2016 25 360- 9 2003 26 434-44 2001 31 335-414 2013 2012 262 2 2 65-9 2003 26 434-44 2015 1997 3 2 2 S2-9 2014 7 69-82 2003 73 9 9 712-6 South African Department of Health 2003 1-72 2014 21 6 6 429-32 2005 2015 42 553-62 2018 26 2014 52 1 1 297-306 2008 7 2 2 185-200 World Health Organization 2017