Use the Function code abbreviation to identify if there is a sleeper in the SKU.
Function Code Keys
BK - Bunk Bed
ED - Easy Deluxe
FL - Flip
HD - Hybrid Deluxe
HY - Hybrid
LV - Level
MV - Move
NT - Nest
SD - Slide
A SKU with a function appears like this:
MONI-DNT-OLIV/173-234/9-WA
Breaking it down
MONI = Monika (Products are shortened to the first four letters)
D = Size (D=King Sofa, See this post for more about this)
NT = Nest Function
OLIV = Upholstery Collection (First four letters)
173 = Upholstery Color Code
234/9 = Leg Style
WA = Leg Finish (Walnut)