
1) Sleep disorder
Found on
https://www.crosswordclues.com/clue/hypnagogia

Hypnagogia is the experience of the transitional state from wakefulness to sleep: the hypnagogic state of consciousness. The related words from the Greek are agōgos `leading`, `inducing`, pompe `act of sending`, and hypnos `sleep`. The word hypnagogia entered the popular psychology literature through Dr. Andreas Mavromatis in his 1983 the...
Found on
http://en.wikipedia.org/wiki/Hypnagogia

hypnagogia Denoting a transitional state, related to the hypnoidal, preceding sleep; applied also to various hallucinations that may manifest themselves at that time.
Found on
http://www.wordinfo.info/words/index/info/view_unit/2792/
No exact match found.