Adjustable bases have a lot of benefits for some people, and they’re really annoying to others, so two twin XL adjustable bases can offer the best of both worlds to individuals with different sleeping preferences. Adjustable bases give back pain sufferers and snorers some relief by propping them upright to reduce stress on the spine and blockage in the airways. The two dual bases of the split king will offer this relief to the person who wants it while still allowing the partner who wants to lie flat to do so.