الواصلة
Sleep ap·ne·aالتركية النطق
slip äpniıالنطق
/ˈslēp ˈapnēə/ /ˈsliːp ˈæpniːə/
علم أصول الكلمات
[ 'slEp ] (noun.) before 12th century. Middle English slepe, from Old English sl[AE]p; akin to Old High German slAf sleep and perhaps to Latin labi to slip, slide.