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Average daily sleep onset latency on non-workdays from actigraphy
sawa244 under Sleep Monitoring/Actigraphy in HCHS variables
Sleep Latency: the interval between lights-out/in-bed time and sleep onset time from type I polysomnography
slplatp under Sleep Monitoring/Polysomnography/Sleep Architecture in CCSHS variables
Sleep Latency: the interval between lights-out/in-bed time and sleep onset time from type I polysomnography
slplatp under Sleep Monitoring/Polysomnography/Sleep Architecture in CHAT variables
Pittsburgh Sleep Quality Index: Cannot get to sleep within 30 minutes the past month
psqi_5a under Sleep Questionnaires/Sleep Habits/Pittsburgh Sleep Quality Index (PSQI) in ANSWERS variables
Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771)External semantic reference: CDEOriginal text: The following questions relate to your usual sleep habits during the past month only. Your answers should indicate the most accurate reply for the majority of days and nights in the past month. During the past month how often have you had trouble sleeping because you: cannot get to sleep within 30 mins? Search for all PSQI variables within this dataset
Sleep Latency: the interval between lights-out/in-bed time and sleep onset time from type II polysomnography
posllatp under Sleep Monitoring/Polysomnography/Sleep Architecture in MROS variables
Sleep Latency: the interval between lights-out/in-bed time and sleep onset time from type II polysomnography
slplatp under Sleep Monitoring/Polysomnography/Sleep Architecture in SOF variables
Sleep Latency: the interval between lights-out/in-bed time and sleep onset time from type II polysomnography
slp_lat5 under Sleep Monitoring/Polysomnography/Sleep Architecture in MESA variables
REM Sleep Latency: the interval between the first sleep epoch and REM sleep excluding wake from type I polysomnography
remlaiip under Sleep Monitoring/Polysomnography/Sleep Architecture in CHAT variables
Total sleep time from beginning of sleep to first epoch of rapid eye movement sleep (REM) (excluding wake)
Sleep Disorders Symptom Checklist - 25: For the past three (3) months, it takes me 30 minutes or more to fall asleep
sds_3 under Sleep Questionnaires/Sleep Disorder/Sleep Disorders Symptom Checklist-25 in ANSWERS variables
Item from the Sleep Disorders Symptom Checklist - 25. Klingman et al 2017, Introducing the Sleep Disorders Symptom Checklist-25: A Primary Care Friendly and Comprehensive Screener for Sleep Disorders, Sleep Med Res 2017; 8(1): 17-25Search for all Sleep Disorders Symptom Checklist - 25 variables within this dataset
Time from sleep onset to first epoch staged REM (includes wake time between sleep onset and first epoch of REM) from type I polysomnography
rem_latency under Sleep Monitoring/Polysomnography in WSC variables
Time to first epoch of REM sleep
Average daily sleep onset latency across all days from actigraphy
sawa19 under Sleep Monitoring/Actigraphy in HCHS variables
This variable is similar to sawa56; however, sawa19 is generated by Actiware software before data optimization.
Average daily sleep onset latency across all days from actigraphy
sawa56 under Sleep Monitoring/Actigraphy in HCHS variables
This variable is similar to sawa19; however, sawa19 is generated by Actiware software before data optimization.
REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake
nsrr_ttlprdsp_s1sr under Harmonized/Polysomnography/Sleep Architecture in APPLES variables
Harmonized by the NSRR team. Source: :soremfsopsg:
REM Latency II: the interval between sleep onset and first REM while asleep (excluding wake) from type II polysomnography
remlaiip5 under Sleep Monitoring/Polysomnography/Sleep Architecture in MESA variables
Pittsburgh Sleep Quality Index: Cannot get to sleep within 30 minutes
pqp30m under Sleep Questionnaires/Pittsburgh Sleep Quality Index (PSQI) in MROS variables
Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this datasetOriginal question: During the past month, how often have you had trouble sleeping because you cannot get to sleep within 30 minutes?
Pittsburgh Sleep Quality Index: How long taken to fall asleep each night
pqpslpm under Sleep Questionnaires/Pittsburgh Sleep Quality Index (PSQI) in MROS variables
Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this datasetOriginal question: During the past month, how long has it usually taken you to fall asleep each night?
Pittsburgh Sleep Quality Index: How long taken to fall asleep each night
pqpslpm4 under Sleep Questionnaires/Pittsburgh Sleep Quality Index (PSQI) in MROS variables
Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Search for all PSQI variables within this datasetOriginal question: During the past month, how long has it usually taken you to fall asleep each night?
Morning Survey (Sleep Heart Health Study Visit One (SHHS1)): minutes to fall asleep
minfa10 under Sleep Monitoring/Polysomnography/Evening and Morning Survey/SHHS1 in SHHS variables
How many minutes did it take for you to fall asleep at bedtime last night? (number of minutes, up to 3 digits)
REM Sleep Latency: the interval between the first sleep epoch and REM sleep excluding wake
nsrr_ttldursp_s1sr under Harmonized/Polysomnography/Sleep Architecture in SHHS variables
Harmonized by the NSRR team. Source: :remlaiip:
REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake
nsrr_ttlprdsp_s1sr under Harmonized/Polysomnography/Sleep Architecture in SHHS variables
Harmonized by the NSRR team. Source: :remlaip:
REM Sleep Latency: the interval between the first sleep epoch and REM sleep excluding wake
nsrr_ttldursp_s1sr under Harmonized/Polysomnography/Sleep Architecture in CHAT variables
Harmonized by the NSRR team. Source: :remlaiip:
REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake
nsrr_ttlprdsp_s1sr under Harmonized/Polysomnography/Sleep Architecture in CHAT variables
Harmonized by the NSRR team. Source: :remlaip:
REM Sleep Latency: the interval between the first sleep epoch and REM sleep excluding wake
nsrr_ttldursp_s1sr under Harmonized/Polysomnography/Sleep Architecture in MESA variables
Harmonized by the NSRR team. Source: :remlaiip5:
REM Sleep Latency: the interval between the first sleep epoch and REM sleep excluding wake
nsrr_ttldursp_s1s4 under Harmonized/Polysomnography/Sleep Architecture in SOF variables
Harmonized by the NSRR team. Source: :remlaiip: at Visit 8
REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake
nsrr_ttlprdsp_s1sr under Harmonized/Polysomnography/Sleep Architecture in SOF variables
Harmonized by the NSRR team. Source: :remlaip: at Visit 8
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