precoffee sleepy2
Name
sleepy1
Label
MSLT: Stanford Sleepiness Scale Prior to Nap 1
Description

Score from Stanford Sleepiness Scale (SSS). A subjective measure of sleepiness from 1-7, where higher scores indicate more sleepiness (Hoddes, E., & Dement, W. Z. V (1972). The development and use of the Stanford Sleepiness Scale (SSS). Psychophysiology, 9, 150.)

Search for all Stanford Sleepiness Scale variables within this dataset

Variable from a Multiple Sleep Latency Test (MSLT), Roehrs & Roth 1992 (PubMed ID: 1552009).

Search for all Multiple Sleep Latency Test variables within this dataset

Domain
currentsleepiness
  • 1: Feeling active and vital; alert; wide awake
  • 2: Could function at a high level; but not quite at peak; able to concentrate
  • 3: Relaxed; awake; responsive; but not at full alertness
  • 4: A little foggy; not a peak; let down
  • 5: Fogginess; beginning to lose interest in staying awake; slowed down
  • 6: Sleepiness; prefer to be lying down; fighting sleep; woozy
  • 7: Almost in reverie; sleep onset soon; losing struggle to remain awake
Type
choices
Tags
mslt sss subjective_sleepiness
MSLT: Stanford Sleepiness Scale Prior to Nap 1 vs Study visit number
Visit 1 Visit 2 Visit 3 Visit 4 Visit 5 Incident Outcomes Tracking
Total 797 592 157 - - -
Feeling active and vital; alert; wide awake 137 75 19 - - -
Could function at a high level; but not quite at peak; able to concentrate 231 194 55 - - -
Relaxed; awake; responsive; but not at full alertness 283 203 57 - - -
A little foggy; not a peak; let down 84 64 15 - - -
Fogginess; beginning to lose interest in staying awake; slowed down 36 39 9 - - -
Sleepiness; prefer to be lying down; fighting sleep; woozy 25 16 1 - - -
Almost in reverie; sleep onset soon; losing struggle to remain awake 1 - 1 - - -
Unknown - 1 - - - -
MSLT: Stanford Sleepiness Scale Prior to Nap 1 vs Sex of the participant
Visit 1
Male Female Total
Total 423 374 797
Feeling active and vital; alert; wide awake 72 65 137
Could function at a high level; but not quite at peak; able to concentrate 140 91 231
Relaxed; awake; responsive; but not at full alertness 149 134 283
A little foggy; not a peak; let down 42 42 84
Fogginess; beginning to lose interest in staying awake; slowed down 9 27 36
Sleepiness; prefer to be lying down; fighting sleep; woozy 10 15 25
Almost in reverie; sleep onset soon; losing struggle to remain awake 1 - 1
MSLT: Stanford Sleepiness Scale Prior to Nap 1 vs Sex of the participant
Visit 2
Male Female Total
Total 312 280 592
Feeling active and vital; alert; wide awake 43 32 75
Could function at a high level; but not quite at peak; able to concentrate 108 86 194
Relaxed; awake; responsive; but not at full alertness 105 98 203
A little foggy; not a peak; let down 36 28 64
Fogginess; beginning to lose interest in staying awake; slowed down 15 24 39
Sleepiness; prefer to be lying down; fighting sleep; woozy 5 11 16
Almost in reverie; sleep onset soon; losing struggle to remain awake - - -
Unknown - 1 1
MSLT: Stanford Sleepiness Scale Prior to Nap 1 vs Sex of the participant
Visit 3
Male Female Total
Total 86 71 157
Feeling active and vital; alert; wide awake 8 11 19
Could function at a high level; but not quite at peak; able to concentrate 34 21 55
Relaxed; awake; responsive; but not at full alertness 32 25 57
A little foggy; not a peak; let down 7 8 15
Fogginess; beginning to lose interest in staying awake; slowed down 5 4 9
Sleepiness; prefer to be lying down; fighting sleep; woozy - 1 1
Almost in reverie; sleep onset soon; losing struggle to remain awake - 1 1
MSLT: Stanford Sleepiness Scale Prior to Nap 1 vs Race of the participant
Visit 1
Asian Black Hispanic Native American White Total
Total 5 10 5 6 771 797
Feeling active and vital; alert; wide awake 1 3 - - 133 137
Could function at a high level; but not quite at peak; able to concentrate 1 2 3 1 224 231
Relaxed; awake; responsive; but not at full alertness 2 3 2 4 272 283
A little foggy; not a peak; let down 1 1 - 1 81 84
Fogginess; beginning to lose interest in staying awake; slowed down - - - - 36 36
Sleepiness; prefer to be lying down; fighting sleep; woozy - 1 - - 24 25
Almost in reverie; sleep onset soon; losing struggle to remain awake - - - - 1 1
MSLT: Stanford Sleepiness Scale Prior to Nap 1 vs Race of the participant
Visit 2
Asian Black Hispanic Native American White Total
Total 4 6 5 4 573 592
Feeling active and vital; alert; wide awake - 2 - - 73 75
Could function at a high level; but not quite at peak; able to concentrate 2 2 - 3 187 194
Relaxed; awake; responsive; but not at full alertness 2 - 5 1 195 203
A little foggy; not a peak; let down - - - - 64 64
Fogginess; beginning to lose interest in staying awake; slowed down - 2 - - 37 39
Sleepiness; prefer to be lying down; fighting sleep; woozy - - - - 16 16
Almost in reverie; sleep onset soon; losing struggle to remain awake - - - - - -
Unknown - - - - 1 1
MSLT: Stanford Sleepiness Scale Prior to Nap 1 vs Race of the participant
Visit 3
Asian Black Hispanic Native American White Total
Total 3 1 1 2 150 157
Feeling active and vital; alert; wide awake 1 - - 1 17 19
Could function at a high level; but not quite at peak; able to concentrate 1 - - 1 53 55
Relaxed; awake; responsive; but not at full alertness 1 1 - - 55 57
A little foggy; not a peak; let down - - 1 - 14 15
Fogginess; beginning to lose interest in staying awake; slowed down - - - - 9 9
Sleepiness; prefer to be lying down; fighting sleep; woozy - - - - 1 1
Almost in reverie; sleep onset soon; losing struggle to remain awake - - - - 1 1