druidic sleep

English

druidic sleep (uncountable)

The act or art of hypnosis as practised by ancient Druids.
- 1973, Lyall Watson, Supernature, page vii. 213:
  The process of animal hypnosis has been called catatonia, catalepsy, thanatosis, akinesis, and action inhibition; in man it has been known as mesmerism, animal magnetism, somnambulism, reverie, and druidic sleep.