Five signs your mattress is no longer supporting your sleep

A mattress should typically be replaced every 7 to 10 years, though body weight, sleeping position and India's humidity can shorten that. G Shankar Ramm, managing director at Peps Industries, says warning signs include morning back or shoulder stiffness, a sag deeper than about 1.5 inches or a permanent body impression, and night-time sneezing caused by dust mites and moisture build-up.