At 2 a.m., most workers are asleep in their beds, blissfully unaware that their alarm clocks will sound in a few short hours. But for 41 percent of Americans this is the time of day is when they are most productive, according to a 2005 poll by the National Sleep Foundation.
Whenever I tell friends that my mattress is decades old and that I have low-back pain, their eyes pop open. This repeated facial expression has prompted me to think that, yes, there could be a connection. Another clue is an experience I had recently when sleeping on a fabulously comfortable hotel mattress. My husband tried to pry my fingers from the mattress corners, but I wouldn't budge. I wanted to live there. Time for a new mattress.