The waterbed, once a 1980s pop-culture icon, has transitioned from a ubiquitous bedroom staple to a niche luxury item. While they aren't as common as memory foam or hybrid mattresses today, buying a waterbed remains a unique investment in comfort. If you’re considering diving back into this liquid sleep surface, here is what you need to know. The Two Main Types Modern waterbeds generally fall into two categories:

These contain layers of fiber or foam inserts that dampen the motion. A "90% waveless" bed will stop moving almost instantly after you shift positions. Maintenance Considerations

Waterbeds offer a unique, temperature-controlled sleeping environment that many chronic pain sufferers still swear by. While they require a bit more "parenting" than a box spring—including the occasional patch kit for leaks—the sensation of weightlessness remains unmatched by synthetic foams.

This is the original "big wave" experience. The water moves freely, oscillating for several seconds after you move.

The biggest draw of a waterbed is its ability to contour perfectly to your body, eliminating pressure points. However, the "feel" depends on the internal construction of the bladder:

A filled king-sized waterbed can weigh over 1,500 pounds. You must ensure your flooring can support that concentrated weight.

Every six to twelve months, you must add a specialized water conditioner to the mattress to prevent algae and bacteria growth inside the vinyl. The Verdict