65608-2

How many separate times in your life have you had difficulty getting to sleep, staying asleep or falling back to sleep after waking up during the night, for at least 1 month [PhenX]

How many separate times in your life have you had difficulty getting to sleep, staying asleep or falling back to sleep after waking up during the night, for at least 1Mo measured as a count in the patient by PhenX, a quantitative result. PhenX measures.