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Standard deviation of the daily midpoint for sleep period in all days from actigraphy
sdsleepmidpoint5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep period is the interval between sleep onset time and sleep offset time in main sleep.
Standard deviation of the daily midpoint for sleep period in non-workdays from actigraphy
sdsleepmidpointnw5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep period is the interval between sleep onset time and sleep offset time in main sleep.
Standard deviation of the daily midpoint for sleep period in weekdays from actigraphy
sdsleepmidpointwd5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep period is the interval between sleep onset time and sleep offset time in main sleep.
Standard deviation of the daily midpoint for sleep period in weekends from actigraphy
sdsleepmidpointwe5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep period is the interval between sleep onset time and sleep offset time in main sleep.
Standard deviation of the daily midpoint for sleep period in workdays from actigraphy
sdsleepmidpointwo5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep period is the interval between sleep onset time and sleep offset time in main sleep.
Standard deviation of daily sleep offset time in all days from actigraphy
sdsleepoffsettime5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep offset time is the end time of main sleep.
Standard deviation of daily sleep offset time in weekdays from actigraphy
sdsleepoffsettimewd5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep offset time is the end time of main sleep.
Standard deviation of daily sleep offset time in weekends from actigraphy
sdsleepoffsettimewe5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep offset time is the end time of main sleep.
Standard deviation of daily sleep offset time in workdays from actigraphy
sdsleepoffsettimewo5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep offset time is the end time of main sleep.
Standard deviation of the daily sleep onset time in all days from actigraphy
sdsleeponsettime5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep onset time is the start time of main sleep. This variable measures the within subject variability of sleep onset time.
Standard deviation of the daily sleep onset time in non-workdays from actigraphy
sdsleeponsettimenw5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep onset time is the start time of main sleep. This variable measures the within subject variability of sleep onset time.
Standard deviation of the daily sleep onset time in weekdays from actigraphy
sdsleeponsettimewd5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep onset time is the start time of main sleep. This variable measures the within subject variability of sleep onset time.
Standard deviation of the daily sleep onset time in weekends from actigraphy
sdsleeponsettimewe5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep onset time is the start time of main sleep. This variable measures the within subject variability of sleep onset time.
Standard deviation of the daily sleep onset time in workdays from actigraphy
sdsleeponsettimewo5 under Sleep Monitoring/Actigraphy in MESA variables
Sleep onset time is the start time of main sleep. This variable measures the within subject variability of sleep onset time.
Actigraphy QS: Data Collection End Time
timeend5 under Sleep Monitoring/Actigraphy in MESA variables
Actigraphy QS: Data Collection Start Time
timestart5 under Sleep Monitoring/Actigraphy in MESA variables
PSG QS: Participant Reported Time To Bed from type II polysomnography
lighoff5 under Sleep Monitoring/Polysomnography/Signal Quality in MESA variables
Clock time when the recording (study) ends from type II polysomnography
stendp5 under Sleep Monitoring/Polysomnography/Sleep Architecture in MESA variables
Clock time when the participant is out of bed or lights are on from type II polysomnography
stlonp5 under Sleep Monitoring/Polysomnography/Sleep Architecture in MESA variables
Conventionally, this variable would be called the end of time in bed (TIB).
Clock time when the participant is in bed or lights are out from type II polysomnography
stloutp5 under Sleep Monitoring/Polysomnography/Sleep Architecture in MESA variables
Conventionally, this variable would be called the start of time in bed (TIB).
Sleep onset time from type II polysomnography
stonsetp5 under Sleep Monitoring/Polysomnography/Sleep Architecture in MESA variables
Conventionally this variable would be called the start of total sleep time (TST)(i.e. total time spent in stage 1 or greater).
Clock time when the recording (study) begins from type II polysomnography
ststartp5 under Sleep Monitoring/Polysomnography/Sleep Architecture in MESA variables
Self-reported start time of the in-bed period on weekdays in 24-hour format
bedtmwkday5c under Sleep Questionnaires/Sleep Habits in MESA variables
Conventionally this variable would be called time to bed.Original question: 1. What time do you usually go to bed? a. On weekdays or work or school days?
Self-reported start time of the in-bed period on weekends in 24-hour format
bedtmwkend5c under Sleep Questionnaires/Sleep Habits in MESA variables
Conventionally this variable would be called time to bed.Original question: 1. What time do you usually go to bed? b. On weekends, or days off?
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?
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