Table 3.
Sleep timing questions
| Category | Study | Question Wording [Response Scale] | Event Definition | Context | Timeframe |
|---|---|---|---|---|---|
| Bedtime | Cleveland Family Study | During the PAST MONTH, what TIME (on average) have you gone to bed on weekdays (first closed eyes in attempt to fall asleep)” [HH:MM am/pm] | Attempt to sleep | Weekday | Past month |
| Bedtime | Cleveland Family Study | During the PAST MONTH, what TIME (on average) have you gone to bed on weekends (first closed eyes in attempt to fall asleep)” [HH:MM am/pm] | Attempt to sleep | Weekend | Past month |
| Bedtime | National Social Life, Health, and Aging Project (NSHAP) | What time do you usually go to bed and start trying to fall asleep? On weekdays or work days? [HH:MM am/pm] | Attempt to sleep | Weekdays or work days | |
| Bedtime | National Social Life, Health, and Aging Project (NSHAP) | What time do you usually go to bed and start trying to fall asleep? On weekends or days off? [HH:MM am/pm] | Attempt to sleep | Weekends or days off | |
| Bedtime | Health and Aging in Africa | Over the past 4 weeks, what time did you usually turn the lights off to go to sleep? [HH:MM am/pm] | Attempt to sleep | Past 4 weeks | |
| Bedtime | Family Life, Activity, Sun, Health, and Eating (FLASHE) Study | What time do you usually go to bed in the evening (turn out the lights in order to go to sleep) on WEEKDAYS? [HH:MM am/pm] | Attempt to sleep | Weekday | |
| Bedtime | Family Life, Activity, Sun, Health, and Eating (FLASHE) Study | What time do you usually go to bed in the evening (turn out the lights in order to go to sleep) on WEEKENDS? [HH:MM am/pm] | Attempt to sleep | Weekend | |
| Bedtime | Self-Assessment of Sleep Survey (SASS) | [During the previous week] What time did you try to go to sleep, on average? [HH:MM AM/PM] | Attempt to sleep | Previous week | |
| Bedtime | Split Week Self-Assessment of Sleep Survey (SASS-Y) | [On WEEKDAYS during the previous week (Sunday night through Friday Morning)] What time did you try to go to sleep, on average? [HH:MM AM/PM] | Attempt to sleep | Previous week | |
| Bedtime | Split Week Self-Assessment of Sleep Survey (SASS-Y) | [On WEEKENDS during the previous week (Friday night through Sunday Morning)] What time did you try to go to sleep, on average? [HH:MM AM/PM] | Attempt to sleep | Previous week | |
| Bedtime | Sleep Timing Questionnaire (STQ) | (Please think of GOOD NIGHT TIME as the time at which you are finally get in bed trying to fall asleep). On the night before a workday or school day, what is your earliest GOOD NIGHT TIME? [HH:MM am/pm] | Attempt to sleep | Work or school day | |
| Bedtime | Sleep Timing Questionnaire (STQ) | (Please think of GOOD NIGHT TIME as the time at which you are finally get in bed trying to fall asleep). On the night before a workday or school day, what is your latest GOOD NIGHT TIME? [HH:MM am/pm] | Attempt to sleep | Work or school day | |
| Bedtime | Sleep Timing Questionnaire (STQ) | (Please think of GOOD NIGHT TIME as the time at which you are finally get in bed trying to fall asleep). On the night before a workday or school day, what is your usual GOOD NIGHT TIME? [HH:MM am/pm] | Attempt to sleep | Work or school day | |
| Bedtime | Sleep Timing Questionnaire (STQ) | (Please think of GOOD NIGHT TIME as the time at which you are finally get in bed trying to fall asleep). On the night before a day off (e.g., weekend), what is your earliest GOOD NIGHT TIME? [HH:MM am/pm] | Attempt to sleep | Day off or weekend | |
| Bedtime | Sleep Timing Questionnaire (STQ) | (Please think of GOOD NIGHT TIME as the time at which you are finally get in bed trying to fall asleep). On the night before a day off (e.g., weekend), what is your latest GOOD NIGHT TIME? [HH:MM am/pm] | Attempt to sleep | Day off or weekend | |
| Bedtime | Sleep Timing Questionnaire (STQ) | (Please think of GOOD NIGHT TIME as the time at which you are finally get in bed trying to fall asleep). On the night before a day off (e.g., weekend), what is your usual GOOD NIGHT TIME? [HH:MM am/pm] | Attempt to sleep | Day off or weekend | |
| Bedtime | Sleep Heart Health Study (SHHS) | At what time do you fall asleep? [HH:MM am/pm] | Fall asleep time | ||
| Bedtime | uMCTQ | On WORKDAYS I normally fall asleep at __:__ AM/PM (this is NOT when you get into bed!) | Fall asleep time | Workday | |
| Bedtime | uMCTQ | On WORK-FREE DAYS I normally fall asleep at __:__ AM/PM (this is NOT when you get into bed!) | Fall asleep time | Work-free | |
| Bedtime | Heart Biomarker Evaluation in Apnea Treatment Study | At what time do you usually FALL ASLEEP on weekdays or your work days? [HH:MM am/pm] | Fall asleep time | Workday or weekday | |
| Bedtime | Heart Biomarker Evaluation in Apnea Treatment Study | At what time do you usually FALL ASLEEP on weekends or your non-work days? [HH:MM am/pm] | Fall asleep time | Non-work day or weekend | |
| Bedtime | Twin Cities Metropolitan Area 2000 Travel Behavior Inventory | What time did<THEY>go to sleep up on<THEIR>travel day? [HH:MM am/pm] | Fall asleep time | Travel day | |
| Bedtime | The Common Cold Project | Time went to sleep last night? [HH:MM]am/pm | Fall asleep time | Last night | |
| Bedtime | Korean General Social Survey (KGSS) | At about what time did you go to sleep yesterday? [HH:MM am/pm] | Fall asleep time | Yesterday | |
| Bedtime | Biennial Media Consumption Survey | On a regular weeknight, what time do you usually go to sleep? [HH:MM am/pm] | Fall asleep time | Weeknight | |
| Bedtime | Family Exchanges Study Wave 2, Philadelphia, Pennsylvania | What time did you go to sleep last night? [HH:MM am/pm] | Fall asleep time | Last night | |
| Bedtime | Apnea Positive Pressure Long-Term Efficacy Study (APPLES) | At what time do you usually FALL ASLEEP on weekends or your non-workdays? [HH:MM am/pm] | Fall asleep time | Weekend | |
| Bedtime | Apnea Positive Pressure Long-Term Efficacy Study (APPLES) | At what time do you usually FALL ASLEEP on weekdays or your workdays? [HH:MM am/pm] | Fall asleep time | Weeknight | |
| Bedtime | Munich Chronotype Questionnaire (MCTQ) | On nights before workdays, I go to bed at ______ o clock … | Time into bed | Workday | |
| Bedtime | Munich Chronotype Questionnaire (MCTQ) | On nights before free days, I go to bed at _______ o clock | Time into bed | Free day | |
| Bedtime | MrOS Sleep Study (MrOS) | During the past month, what time have you usually gone to bed at night? [HH:MM am/pm] | Time into bed | Past month | |
| Bedtime | National Sleep Foundation: 2002 Adult Sleep Habits |
At what time do you usually go to bed on nights before workdays or weekdays? [12:00am; 12:01–4:49am; 5:00am–5:29am; 5:30–5:59am; 6:00am–6:29am; 6:30–6:59am; 7:00–7:29am; 7:30–7:59am; 8:00–8:29am; 8:30–8:59am; 9:00–9:29am;9:30–9:59am;10:00–10:59am;11:00–11:59am;12:00–5:59pm;6–11:59pm] | Time into bed | Before workday or weekday | |
| Bedtime | National Sleep Foundation: 2002 Adult Sleep Habits |
At what time do you usually go to bed on nights you do not work the next day or weekends? [HH:MM am/pm] | Time into bed | Not work the next day or weekend | |
| Bedtime | National Sleep Foundation: 2003 Sleep and Aging |
At what time do you usually go to bed on weeknights? [HH:MM am/pm] | Time into bed | Weeknight | |
| Bedtime | National Sleep Foundation: 2005 Adult Sleep Habits |
At what time do you usually go to bed on nights you do not work the next day or weekends? [HH:MM am/pm] | Time into bed | Not work the next day or weekend | |
| Bedtime | National Sleep Foundation: 2011 Sleep and Technology |
What time do you usually go to bed? [HH:MM]am/pm | Time into bed | ||
| Bedtime | National Sleep Foundation: 2015 Sleep and Pain | Go to bed on work days or weekdays? [HH:MM am/pm] | Time into bed | Workday or weekday | |
| Bedtime | National Sleep Foundation: 2015 Sleep and Pain |
Go to bed on non-work days or weekends? [HH:MM am/pm] | Time into bed | Non-work day or weekend | |
| Bedtime | Pittsburgh Sleep Quality Index (PSQI) | During the past month, what time have you usually gone to bed at night? [HH:MM am/pm] | Time into bed | Past month | |
| Bedtime | Hispanic Community Health Study/Study of Latinos | The following two questions refer to the times you get in and out of bed in order to sleep (not including naps). What time do you usually go to bed? On weekdays? [HH:MM am/pm] | Time into bed | Weekday | |
| Bedtime | Hispanic Community Health Study/Study of Latinos | The following two questions refer to the times you get in and out of bed in order to sleep (not including naps). What time do you usually go to bed? On weekends? [HH:MM am/pm] | Time into bed | Weekend | |
| Bedtime | Self-Assessment of Sleep Survey (SASS) | [During the previous week] What time did you get in bed, on average? [HH:MM AM/PM] | Time into bed | Previous week | |
| Bedtime | Split Week Self-Assessment of Sleep Survey (SASS-Y) | [On WEEKDAYS during the previous week (Sunday night through Friday Morning)] What time did you get in bed, on average? [HH:MM AM/PM] | Time into bed | Weekdays | Previous week |
| Bedtime | Split Week Self-Assessment of Sleep Survey (SASS-Y) | [On WEEKENDS during the previous week (Friday night through Sunday Morning)] What time did you get in bed, on average? [HH:MM AM/PM] | Time into bed | Weekend | Previous week |
| Bedtime | Survey of Midlife in Japan (MIDJA 2) | During the past month, when have you usually gone to bed at night? [HH:MM am/pm] | Time into bed | Past month | |
| Bedtime | Basic Nordic Sleep Questionnaire (BNSQ) | At what time do you usually go to bed (in order to sleep) during the working week? [HH:MM] | Time into bed | Working week | |
| Bedtime | Basic Nordic Sleep Questionnaire (BNSQ) | At what time do you usually go to bed (in order to sleep) during free days? [HH:MM] | Time into bed | Free days | |
| Wake time | MrOS Sleep Study (MrOS) | During the past month, when have you usually gotten up in the morning?” [HH:MM am/pm] | Get up | Past month | |
| Wake time | National Sleep Foundation: 2005 Adult Sleep Habits and Styles |
At what time do you usually get up on days you do not work or weekends?” [HH:MM am/pm] | Get up | Non-work day or weekend | |
| Wake time | Munich Chronotype Questionnaire (MCTQ) | On workdays... I have to get up at ________ o clock | Get up | Workdays | |
| Wake time | Survey of Midlife in Japan (MIDJA 2) | During the past month, when have you usually gotten up in the morning? [HH:MM am/pm] | Get up | Past month | |
| Wake time | National Sleep Foundation: 2002 Adult Sleep Habits |
Thinking about your usual non-workday or weekend, please answer the following questions. At what time do you usually get up on days you do not work or weekends? [12:00am; 12:01–4:49am; 5:00am–5:29am; 5:30–5:59am; 6:00am–6:29am; 6:30–6:59am; 7:00–7:29am; 7:30–7:59am; 8:00–8:29am; 8:30–8:59am; 9:00–9:29am;9:30–9:59am;10:00–10:59am;11:00–11:59am;12:00–5:59pm;6–11:59pm] | Get up | Non-workday or weekend | Past 4 weeks |
| Wake time | National Sleep Foundation: 2002 Adult Sleep Habits | At what time do you usually get up on days you work or on weekdays? [12:00am; 12:01–4:49am; 5:00am–5:29am; 5:30–5:59am; 6:00am–6:29am; 6:30–6:59am; 7:00–7:29am; 7:30–7:59am; 8:00–8:29am; 8:30–8:59am; 9:00–9:29am;9:30–9:59am;10:00–10:59am;11:00–11:59am;12:00–5:59pm;6–11:59pm] | Get up | Work or on weekday | |
| Wake time | Pittsburgh Sleep Quality Index (PSQI) | During the past month, what time have you usually gotten up in the morning? [HH:MM] | Get up | Past month | |
| Wake time | Health and Aging in Africa | Over the past 4 weeks, what time did you usually get out of bed? [HH:MM am/pm] | Time out of bed | ||
| Wake time | Family Life, Activity, Sun, Health, and Eating (FLASHE) | What time do you usually get out of bed in the morning on WEEKDAYS? [HH:MM am/pm] | Time out of bed | Weekday | |
| Wake time | Family Life, Activity, Sun, Health, and Eating (FLASHE) | What time do you usually get out of bed in the morning on WEEKENDS? [HH:MM am/pm] | Time out of bed | Weekend | |
| Wake time | Self-Assessment of Sleep Survey (SASS) | [During the previous week] On average, what time did you get out of bed for the day? [HH:MM AM/PM] | Time out of bed | Previous Week | |
| Wake time | Split Week Self-Assessment of Sleep Survey (SASS-Y) | [On WEEKDAYS during the previous week (Sunday night through Friday Morning)] On average, what time did you get out of bed for the day? [HH:MM AM/PM] | Time out of bed | Weekday | Previous Week |
| Wake time | Split Week Self-Assessment of Sleep Survey (SASS-Y) | [On WEEKENDS during the previous week (Friday night through Sunday Morning)] On average, what time did you get out of bed for the day? [HH:MM AM/PM] | Time out of bed | Weekend | Previous Week |
| Wake time | Sleep Heart Health Study (SHHS) | At what time do you wake up? [HH:MM am/pm] | Wake time | ||
| Wake time | National Sleep Foundation: 2011 Sleep and Technology |
What time do you wake up” [HH:MM am/pm] | Wake time | ||
| Wake time | National Sleep Foundation: 2015 Sleep and Pain |
Wake up on work days or weekdays?” [HH:MM am/pm] | Wake time | Workday or weekday | |
| Wake time | National Sleep Foundation: 2015 Sleep and Pain |
Wake up on non-work days or weekends? [HH:MM am/pm] | Wake time | Non-work day or weekend | |
| Wake time | Hispanic Community Health Study/Study of Latinos | The following two questions refer to the times you get in and out of bed in order to sleep (not including naps). What time do you usually wake up? On weekends? [HH:MM am/pm] | Wake time | Weekend | |
| Wake time | Hispanic Community Health Study/Study of Latinos | The following two questions refer to the times you get in and out of bed in order to sleep (not including naps). What time do you usually wake up? On weekdays? [HH:MM am/pm] | Wake time | Weekday | |
| Wake time | HeartBEAT (Heart Biomarker Evaluation in Apnea Treatment) Study | At what time do you usually WAKE UP on weekdays or your work days?” [HH:MM am/pm] | Wake time | Weekday or work day | |
| Wake time | HeartBEAT (Heart Biomarker Evaluation in Apnea Treatment) Study | At what time do you usually WAKE UP on weekends or your non-work days?” [HH:MM am/pm] | Wake time | Weekends or non-work days | |
| Wake time | Apnea Positive Pressure Long-Term Efficacy Study (APPLES) | At what time do you usually WAKE UP on weekends or your non-work days? [HH:MM am/pm] | Wake time | Weekends or non-work days | |
| Wake time | Apnea Positive Pressure Long-Term Efficacy Study (APPLES) | At what time do you usually WAKE UP on weekdays or your work days? [HH:MM am/pm] | Wake time | Weekdays or your work days | |
| Wake time | Cleveland Family Study | What time do you did you wake up from your usual sleep on weekdays? [HH:MM am/pm] | Wake time | Weekday | |
| Wake time | Cleveland Family Study | What time do you did you wake up from your usual sleep on weekends? [HH:MM am/pm] | Wake time | Weekend | |
| Wake time | Munich Chronotype Questionnaire (MCTQ) | On free days (please only judge normal free days, ie, without parties etc) I normally wake up at _______ o clock | Wake time | Free day | |
| Wake time | uMCTQ | On WORKDAYS I normally wake up at __:__ AM/PM (this is NOT when you get out of bed!) | Wake time | Workday | |
| Wake time | uMCTQ | On WORK-FREE DAYS when I don’t use an alarm I normally wake up at __:__ AM/PM (this is NOT when you get out of bed!) | Wake time | Work-Free day | |
| Wake time | Twin Cities Metropolitan Area 2000 Travel Behavior Inventory | Wake onset: What time did<TIIEY>wake up on<TIIIER>travel day? [HH:MM am/pm] | Wake time | ||
| Wake time | National Social Life, Health, and Aging Project (NSHAP) | What time do you usually wake up? On weekdays or work days? [HH:MM am/pm] | Wake time | Weekdays or work days | |
| Wake time | National Social Life, Health, and Aging Project (NSHAP): | What time do you usually wake up? On weekends, or days off? [HH:MM am/pm] | Wake time | Weekends, or days off | |
| Wake time | CBS News Monthly Poll | What time do you usually wake up on a typical Sunday morning? [before 6am; between 6am and 659am; between 7am and 759am; between 8 and 859 am; between 9 and 959am; between 10 and 1059am; 11am or later; Work nights so sleep all day] | Wake time | Sunday morning | |
| Wake time | Basic Nordic Sleep Questionnaire (BNSQ) | At what time do you usually wake up during the working week? [HH:MM] | Wake time | Working week | |
| Wake time | Basic Nordic Sleep Questionnaire (BNSQ) | At what time do you usually wake up during free days? [HH:MM] | Wake time | Free days | |
| Wake time | Self-Assessment of Sleep Survey (SASS) | [During the previous week] What time was your final awakening, on average? [HH:MM AM/PM] | Wake time | Previous week | |
| Wake time | Split Week Self-Assessment of Sleep Survey (SASS-Y) | [On WEEKDAYS during the previous week (Sunday night through Friday Morning)] What time was your final awakening, on average? [HH:MM AM/PM] | Wake time | Weekdays | Previous week |
| Wake time | Split Week Self-Assessment of Sleep Survey (SASS-Y) | [On WEEKENDS during the previous week (Friday night through Sunday Morning)] What time was your final awakening, on average? [HH:MM AM/PM] | Wake time | Weekend | Previous week |
| Wake time | Sleep Timing Questionnaire (STQ) | (Please think of GOOD MORNING TIME as the time at which you finally get out of bed and start your day). Before a work day or school day, what is your earliest GOOD MORNING TIME? [HH:MM am/pm] | Wake time | Work or school day | |
| Wake time | Sleep Timing Questionnaire (STQ) | (Please think of GOOD MORNING TIME as the time at which you finally get out of bed and start your day). Before a work day or school day, what is your latest GOOD MORNING TIME? [HH:MM am/pm] | Wake time | Work or school day | |
| Wake time | Sleep Timing Questionnaire (STQ) | (Please think of GOOD MORNING TIME as the time at which you finally get out of bed and start your day). Before a work day or school day, what is your usual GOOD MORNING TIME? [HH:MM am/pm] | Wake time | Work or school day | |
| Wake time | Sleep Timing Questionnaire (STQ) | (Please think of GOOD MORNING TIME as the time at which you finally get out of bed and start your day). Before a day of (e.g., a weekend), what is your earliest GOOD MORNING TIME? [HH:MM am/pm] | Wake time | Free or weekend day | |
| Wake time | Sleep Timing Questionnaire (STQ) | (Please think of GOOD MORNING TIME as the time at which you finally get out of bed and start your day). Before a day of (e.g., a weekend), what is your latest GOOD MORNING TIME? [HH:MM am/pm] | Wake time | Free or weekend day | |
| Wake time | Sleep Timing Questionnaire (STQ) | (Please think of GOOD MORNING TIME as the time at which you finally get out of bed and start your day). Before a day of (e.g., a weekend), what is your usual GOOD MORNING TIME? [HH:MM am/pm] | Wake time | Free or weekend day |
Notes: A blank cell indicates that this component is not present in the question. The sentence case (e.g., all capitals) is displayed as represented on the survey.