length - Search - Sleep Data - National Sleep Research Resource

Average number of naps of at least 15 minutes in length in 24 hours on weekdays from actigraphy

sawa119 under Sleep Monitoring/Actigraphy in HCHS variables

Average sleep duration per nap in naps of at least 15 minutes in length on weekdays from actigraphy

sawa122 under Sleep Monitoring/Actigraphy in HCHS variables

Average daily sleep duration in naps of at least 15 minutes in length on weekdays from actigraphy

sawa124 under Sleep Monitoring/Actigraphy in HCHS variables

Total number of days with naps of at least 15 minutes in length on weekends from actigraphy

sawa163 under Sleep Monitoring/Actigraphy in HCHS variables

Average number of naps of at least 15 minutes in length on weekends from actigraphy

sawa166 under Sleep Monitoring/Actigraphy in HCHS variables

Average sleep duration per nap of at least 15 minutes in length on weekends from actigraphy

sawa169 under Sleep Monitoring/Actigraphy in HCHS variables

Average daily sleep duration in naps of at least 15 minutes in length on weekends from actigraph

sawa171 under Sleep Monitoring/Actigraphy in HCHS variables

Total number of days with naps of at least 15 minutes in length on workdays from actigraphy

sawa210 under Sleep Monitoring/Actigraphy in HCHS variables

Average daily number of naps of at least 15 minutes in length on workdays from actigraphy

sawa213 under Sleep Monitoring/Actigraphy in HCHS variables

Average sleep duration per nap of at least 15 minutes in length on workdays from actigraphy

sawa216 under Sleep Monitoring/Actigraphy in HCHS variables

Sleep duration is the interval between sleep onset and sleep offset time while asleep.

Average daily sleep duration in naps of at least 15 minutes in length on workdays from actigraphy

sawa218 under Sleep Monitoring/Actigraphy in HCHS variables

Total number of days with naps of at least 15 minutes in length on non-workdays from actigraphy

sawa257 under Sleep Monitoring/Actigraphy in HCHS variables

Average daily number of naps of at least 15 minutes in length on non-workdays from actigraphy

sawa260 under Sleep Monitoring/Actigraphy in HCHS variables

Average sleep duration per nap of at least 15 minutes in length on non-workdays from actigraphy

sawa263 under Sleep Monitoring/Actigraphy in HCHS variables

Average daily sleep duration in naps of at least 15 minutes in length on non-workdays from actigraphy

sawa265 under Sleep Monitoring/Actigraphy in HCHS variables

Total number of reliable days with naps of at least 15 minutes in length in the entire actigraphy recording period across all days from actigraphy

sawa304 under Sleep Monitoring/Actigraphy in HCHS variables

Average daily number of naps of at least 15 minutes in length over all reliable days from actigraphy

sawa307 under Sleep Monitoring/Actigraphy in HCHS variables

Average sleep duration per nap of at least 15 minutes in length over all reliable days from actigraphy

sawa310 under Sleep Monitoring/Actigraphy in HCHS variables

Average daily sleep duration in naps of at least 15 minutes in length over all reliable days from actigraphy

sawa312 under Sleep Monitoring/Actigraphy in HCHS variables

Total number of days with naps of at least 15 minutes in length in 24 hours (including main rest intervals and naps) over all days from actigraphy

sawa69 under Sleep Monitoring/Actigraphy in HCHS variables

Average number of naps of at least 15 minutes in length over all days from actigraphy

sawa72 under Sleep Monitoring/Actigraphy in HCHS variables

Average sleep duration per nap of at least 15 minutes in length over all days from actigraphy

sawa75 under Sleep Monitoring/Actigraphy in HCHS variables

Average daily sleep duration in naps of at least 15 minutes in length over all days from actigraphy

sawa77 under Sleep Monitoring/Actigraphy in HCHS variables

Sleep duration (i.e. total sleep time) is the interval between sleep onset and sleep offset time while asleep.

Study length (epoch 1 to last epoch)

stdurm under Sleep Monitoring/Polysomnography/Administrative in SOF variables

Time from recording beginning to end, rounded to nearest minute

Psychomotor Vigilance Test (PVT) Trial Length

triallength under Clinical Data/Neurocognitive Testing/Psychomotor Vigilance Test (PVT) in APPLES variables

PVT QC Rules 3-25-09 FINAL