The best replacement for relaxation is meditation.

The best alternatives to relaxation are rated as following:
★★★★★  meditation
★★★★  swedish massage
★  therapeutic massage
★  deep tissue
★  biofeedback
  contraction
  t1 relaxation
  creep
  autogenic training

Your alternative for relaxation is not listed? Suggest!
Speaking about relaxation, one probably shouldn't forget about guided imagery.

Other search terms related to relaxation and their ratings are:
★★★★★ guided imagery
★ imagery
You have in mind a companion for relaxation and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of relaxation in all years. Click on graph for more.
relaxation
meditation
swedish massage