Preferred Label : Usual Time it Takes to Fall Asleep at Night;
NCIt synonyms : Usual Amount of Time to Fall Asleep at Night;
NCIt related terms : How long (in minutes) has it usually taken you to fall asleep each night;
NCIt definition : A question about the amount of time it usually takes for an individual to fall asleep
at night.;
Origin ID : C121576;
UMLS CUI : C4053887;
Semantic type(s)
concept_is_in_subset