The Journal

Airflow beats a cold surface. Both of our pillows are memory foam, and we explain why one of them is still the wrong choice for heat.

Cold plate or moving air, how quiet, how long between charges. Four models compared, including the point where a wearable stops being useful.

A flash is a spike followed by a chill, which is the whole argument for a blanket with two usable sides. Five compared, with the limits of each one named.

Ice-silk and bamboo lead, percale is the budget answer, and sateen, flannel and microfiber are the ones to avoid. Plus the laundry routine that makes any of it liveable.

Silk is a fibre and satin is a weave, and the slip you are paying for comes from the weave. We sell both, so here is which one to buy.