Preferred Label : PROMIS IB Version 1.0 Sleep Disturbance SF 4a - I Had Difficulty Falling Asleep;
NCIt related terms : PA215-I Had Difficulty Falling Asleep; PA215004;
NCIt definition : PROMIS Item Bank v1.0 - Sleep Disturbance - Short Form 4a (PROMIS IB Version 1.0 Sleep
Disturbance SF 4a) I had difficulty falling asleep.;
Alternative definition : CDISC: PROMIS Item Bank v1.0 - Sleep Disturbance - Short Form 4a - I had difficulty
falling asleep.;
Origin ID : C208573;
concept_is_in_subset