Nightstand Lower Than Mattress . If your bed is resting on a flat platform base, your measurement may come out to be on the lower end around 18”. It makes it easier to reach the top of the nightstand and grab anything. Markor Furniture Epicenters Queen Factory Platform Bed w/ 2 Nightstands from www.duboisfurniture.com For more room to tuck away items like books and remote controls, choose pieces with more storage options. Best mattress for multiposition sleepers with lower back pain: Use another piece of furniture, such as a flat chest, to raise the nightstand;