Before Flipping a Mattress, Check Whether It Is One-Sided
Some mattresses are designed for one-sided use and should not be flipped. Check the model instructions before rotating or flipping.
Manufacturer FAQ: Rotating versus flipping a mattress
Text-only link card to manufacturer mattress care FAQ
Open source ↗Tempur-Pedic says its own mattresses have a dedicated sleeping side and should not be flipped; rotation is optional for some models. Other brands and constructions may differ, so follow the specific manual.