PSQI #5 (trouble sleeping: a) cannot get to sleep within 30 minutes)
x0sq05
During the past month, how often have you had trouble sleeping because you ... a) cannot get to sleep within 30 minutes
Type
Categorical
Unit
Version
1.0.0.3
During the past month, how often have you had trouble sleeping because you ... a) cannot get to sleep within 30 minutes
Categorical
1.0.0.3