questionnaire - Search - Sleep Data - National Sleep Research Resource

Weekday wake time

daywake_time under Sleep Questionnaires/Sleep Habits in CFS variables

Self-reported normal wake time on weekdays

Calculated mid-point of sleep period during weekends

endmid_time under Sleep Questionnaires/Sleep Habits in CFS variables

Time spent asleep on weekends

endslp under Sleep Questionnaires/Sleep Habits in CFS variables

Calculated sleep duration on weekends

endslp_dur_hr under Sleep Questionnaires/Sleep Habits in CFS variables

The difference between ENDSLP (self-reported sleep time) and ENDWAKE (self-reported wake time).

Calculated sleep duration on weekends

endslp_dur_mn under Sleep Questionnaires/Sleep Habits in CFS variables

The difference between ENDSLP (self-reported sleep time) and ENDWAKE (self-reported wake time).

Weekend bedtime

endslp_time under Sleep Questionnaires/Sleep Habits in CFS variables

Self-reported normal bedtime on weekends

Weekend wake time

endwake_time under Sleep Questionnaires/Sleep Habits in CFS variables

Self-reported normal wake time on weekends

Calculated sleep duration on all days

sleeptime_hr under Sleep Questionnaires/Sleep Habits in CFS variables

Calculated sleep duration on all days

sleeptime_min under Sleep Questionnaires/Sleep Habits in CFS variables

Used CPAP during the sleep study or use CPAP regularly

cpapuse under Sleep Treatment in CFS variables

Ever prescribed CPAP

prescpap under Sleep Treatment in CFS variables

Current regular use of CPAP (at least 50% of the time)

regcpap under Sleep Treatment in CFS variables

Current employment status

employment under Demographics/Employment in HEARTBEAT variables

Unable to work because (specify)

employment_text under Demographics/Employment in HEARTBEAT variables

Annual household income before taxes

hhincome under Demographics/Employment in HEARTBEAT variables

Most recent occupation

occupation under Demographics/Employment in HEARTBEAT variables

Work rotating night shifts

rotatingshifts under Demographics/Employment in HEARTBEAT variables

Work steady night shifts

steadyshifts under Demographics/Employment in HEARTBEAT variables

Ethnicity of the participant

ethnicity under Demographics in HEARTBEAT variables

Race of the participant

race7 under Demographics in HEARTBEAT variables

Alcohol consumption, largest number of drinks in a day, last year

alcoholoneday under Lifestyle and Behavioral Health in HEARTBEAT variables

Alcohol consumption, days in a week, last year

alcoholweek under Lifestyle and Behavioral Health in HEARTBEAT variables

Caffeine consumption, number of cups per day

caffeine under Lifestyle and Behavioral Health in HEARTBEAT variables

In the last month, how often did you drink beverages containing caffeine (cola, coffee, tea, etc.)?

Cigarette smoking, ever

smoked under Lifestyle and Behavioral Health in HEARTBEAT variables

Cigarette smoking, age started

smokedage under Lifestyle and Behavioral Health in HEARTBEAT variables