EntityQ1552457· pop 18· linked from 21 articlessoporSign in to savecondition of abnormally deep sleep or a stupor from which it is difficult to rouseConnectionssomnolenceEntitysleepEntitydrugEntitycomaEntitysyncopeEntityHypnosEntitycognateEntitypersistent vegetative stateEntitycataplexyEntitymajor traumaEntitystuporEntityunconsciousnessEntityparesisEntityvital signsEntitylocked-in syndromeEntityplantar reflexEntityvasovagal responseEntitydisorder of consciousnessEntityminimally conscious stateEntitySomnusEntityCategoriesMedical terminologySleep