Mattresses are supposed to last at least seven years, but they can become uncomfortable to sleep on much sooner. If you never flip or rotate your mattress, the springs or foam wear out under pressure.
Mental Floss on MSN
Do You Actually Need to Rotate Your Mattress?
When was the last time you rotated—or flipped—your mattress? If your first response is, “You guys rotate your mattress?” you aren’t alone. Recommendations to rotate or flip your mattress have faded ...
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