Halsa Swedish acupressure pillow
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A closer look at pillow types

The spikes help stimulate the release of natural pain-relieving hormones, according to the manufacturer. (Gary Friedman / Los Angeles Times)
A close-up of the spikes. (Gary Friedman / Los Angeles Times)
Dust mite pillow covers may help reduce sinus issues stemming from an allergy to dust mites. (www.natlallergy.com)
Snoring problems? The Sona pillow can help with that, its makers say. (Kirk McKoy / Los Angeles Times)
This pillow keeps a sleeper elevated, which, Bedge says, helps with acid reflux issues. (Bedge Inc.)
This Sleepsonic pillow is designed to help mask noises so you can sleep. (www.sleepsonic.com)
This pillow is said to help side-sleepers reduce the chance of facial wrinkles. (Gary Friedman / Los Angeles Times)