The best replacement for apnea is hypopnea.

The best alternatives to apnea are rated as following:
★★★★★  hypopnea
★★★★  narcolepsy
★★★  apnoea
★★★  snoring
★★  dyspnea
★★  insomnia
★★  bradycardia
★★  just snoring
★  panic attack
★  obstructive sleep apnea
★  eupnea
★  asphyxia
★  central sleep apnea
★  respiratory arrest
  obstructive
  secondary apnea
  sids
  alte
  panic attacks
  sleep apnea
  chronic fatigue
  deviated septum
  cheyne stokes
  obstructive apnea
  sleep paralysis
  periodic breathing

Your alternative for apnea is not listed? Suggest!
Speaking about apnea, one probably shouldn't forget about bradycardia.

Other search terms related to apnea and their ratings are:
★★★★★ bradycardia
★★★ snoring
★★ cpap machine
★ no snoring
★ hypersomnia
★ daytime sleepiness
★ propofol
★ oxygen desaturation
gerd
hypoxia
desaturation
rls
narcolepsy
obesity
You have in mind a companion for apnea and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of apnea in all years. Click on graph for more.
apnea
hypopnea
narcolepsy