psqi_1
Psqi 1Field Label
During the past month, what time have you usually gone to bed at night? (use 24-hour time) enter values from 00:00 to 23:59 1:00 is 1 am, early morning 12:00 is noon, also called 12 pm 14:00 is 2pm, early afternoon 20:00 is 8pm, the evening 23:59 is 11:59 pm, late evening 00:00 is midnight, also called 12 am 00:30 is 30 minutes after midnight
Validation Type
time