The best replacement for air mattress is cot.

The best alternatives to air mattress are rated as following:
★★★★★  cot
★★★★  memory foam
★★★  futon
★★★  regular mattress
★★★  sleeping pad
★★  sleeping bag
★★  foam mattress
★  sofa bed
★  innerspring
★  foam pad
★  self inflating
★  waterbed
★  sleep number
  thermarest
  stretcher
  air bed
  cot camping
  coleman
  mattress
  water mattress
  self inflating pad
  sleeper sofa
  cots

Your alternative for air mattress is not listed? Suggest!
Speaking about air mattress, one probably shouldn't forget about cot.

Other search terms related to air mattress and their ratings are:
★★★★★ cot
★★★★★ frame queen
★★ sleeping bag
sleeping bag attached
You have in mind a companion for air mattress and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of air mattress in all years. Click on graph for more.
air mattress
cot
memory foam