Assertion: nightmare | /r/CapableOf | remain real mystery
Facets:
value: to scientists
type: TRANSITIVE-OBJECT
value: to clinicians
type: TRANSITIVE-OBJECT
Source sentences:
text: Overall, dreams — nightmares included — continue to stump professionals, remaining “a real mystery to scientists and clinicians,” Daniel Barone, associate medical director of the Weill Cornell Center for Sleep Medicine, said.