The best replacement for insomnia is hypersomnia.

The best alternatives to insomnia are rated as following:
★★★★★  hypersomnia
★★★★★  sleep apnea
★★  sleep deprivation
★★  narcolepsy
★  keepawake
★  sleep disorder
★  knas
★  vital spirit
★  swagger
★  dyssomnia
★  insomnia pro
★  nocturnal
★  super luck
  parasomnia
  frisk
  sleeplessness
  apnea
  does insomnia cause depression
  memento
  backgrounder
  jet lag
  lack of sleep
  only girl
  poor sleep quality
  secondary insomnia
  primary insomnia

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

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



Google Trends

Scale is based on the average worldwide traffic of insomnia in all years. Click on graph for more.
insomnia
hypersomnia
sleep apnea