We recommend covers made from cotton or linen, both known for their breathability ... think bed-in-a-bag bed toppers. A duvet is plain, usually white, and often filled with down.

In fact, adding a rumpled linen duvet cover or a shiny sateen one can provide ... including, of course, white, which interior designer Ghislaine Viñas loves. “We use a lot of white bedding ...

While mattresses and bed sheets can be a straightforward purchase after sifting through your favorite stores for sleep ...