Why It’s Probably Time to Buy a New Mattress
by Sarah Showfety from Lifehacker on (#5V59R)
Considering that we spend up to 36 years of our lives in our beds (either sleeping, watching TV, or trying to get to sleep), our mattresses are important. But since they're also large, expensive, and obscured by so many linens, it's not always obvious when we should replace them (and given the investment, it's not...