It is important to note that the Sleep Number comes with a limited warranty. The manufacturer recommends that customers buy a surge protection with a voltage of 330 volts. It must be listed to UL1449. Make sure that the surge protector is strong enough to protect the Sleep number from power surges. The warranty will not cover repairs after two years. These policies and warranties should be carefully reviewed before you buy a Sleep Number sleep mattress. It offers customizable solutions for sleep
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