There are different theories on how long you should go before you replace your mattress, five years, seven years, whatever. This isn't a theory, it's fact: If it smells like a pile of dead raccoons, it's time to replace it.

According to a new survey, it turns out very few people are in a hurry to replace their mattress.

(Getty Images)
(Getty Images)
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The study found that:

  • 55% say they'll get a new one once their current one loses its firmness.
  • 16% will wait until they start having back pain because of it.
  • 11% have no plans to replace it ever.
  • 7% of people won't replace their current mattress until it develops a nasty smell.

In other words, only about one in 10 people will actually be proactive about replacing their mattress before something goes bad.

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