2 - Search - Sleep Data - National Sleep Research Resource

Urgent Referral - Unusual HR: HR Above 150 BPM For >= 2 Min from type II polysomnography

unuhrou4d5 under Sleep Monitoring/Polysomnography/Signal Quality in MESA variables

Urgent Referral - Unusual HR: HR < 30 BPM For >= 2 Min from type II polysomnography

unuhrou4e5 under Sleep Monitoring/Polysomnography/Signal Quality in MESA variables

Total duration of Stage 2 sleep from type II polysomnography

timest25 under Sleep Monitoring/Polysomnography/Sleep Architecture in MESA variables

Percentage of total sleep duration in Stage 2 from type II polysomnography

timest2p5 under Sleep Monitoring/Polysomnography/Sleep Architecture in MESA variables

Self-reported end time of the in-bed period on weekdays in 24-hour format from survey questionnaires

waketmwkday5c under Sleep Questionnaires/Sleep Habits in MESA variables

Conventionally this variable would be called wake time.Original question: 2. What time do you usually wake up: a. On weekdays or work or school days?

Self-reported end time of the in-bed period on weekends in 24-hour format from survey questionnaires

waketmwkend5c under Sleep Questionnaires/Sleep Habits in MESA variables

Conventionally this variable would be called wake time.Original question: 2. What time do you usually wake up: b. On weekends, or days off?

Percentage of total sleep duration (i.e., total sleep time, TST) in stage 2 from polysomnography

nsrr_pctdursp_s2 under Harmonized/Polysomnography/Sleep Architecture in APOE variables

Harmonized by the NSRR team. Source: :pct_s2:

Percentage of stage 2 sleep among total sleep duration from type I polysomnography

pct_s2 under Sleep Monitoring/Polysomnography/Sleep Architecture in APOE variables

Conventionally, total sleep duration would be called total sleep time (TST).