hypnology

== English == === Etymology === From hypno- +‎ -logy. === Noun === hypnology (uncountable) A treatise on sleep; the study or science of sleep. The study of hypnosis ==== Derived terms ==== === References === “hypnology”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.