Sleep Product Reviews

A pillow cannot fix your neck, but the wrong loft will make it worse every night. These are the five we would buy, sorted by how you sleep.

A coil-on-coil mattress with free in-room delivery and a 365-night trial. Here is what the construction actually gets you, what it costs you, and who should buy something else.

A white noise machine does not put you to sleep. It masks the sounds that wake you up — and the cheap ones often create a new problem by being too loud or looping audibly.

A sleep tracker is only useful if it changes something you do. Here are the five that measure well enough to act on, and the one number you should ignore on all of them.