About how many M does it usually take for you to fall asleep:Time:Pt:^Patient:Qn:PhenX
about how many m does it usually take for you to fall asleep:time:pt:^patient:qn:phenx
About how many M does it usually take for you to fall asleep:Time:To identify measures at a point in time:^Patient:Quantitative:PhenX
about how many m does it usually take for you to fall asleep:time:to identify measures at a point in time:^patient:quantitative:phenx