You searched for: “hyposomnia
hyposomnia (s) (noun), hyposomnias (pl)
1. A condition of getting insufficient sleep: "At the emergency ward, Dr. Smith was suffering from hyposomnia because of having to work constantly day and night as a result of a lack of doctors at the hospital."
2. Etymology: from Greek hypo, "reduced amount" + Latin -somnia, somnus, "sleep".
This entry is located in the following units: hypo-, hyp- (page 11) somni-, somno-, somn-, -somnia, -somniac (page 1)