Related Variables

trait Trait Anxiety Score

Sum of 20 items from Trait Anxiety Questionnaire. When there are 2 or less missing, the average of all of the other scores are used to create the sum variable

General Health/State Trait Anxiety Inventory
a_eval_sleep Stanford sleepiness scale the morning after type I polysomnography

Finally, we would like you to rate how sleepy you feel right now, just as you did last night before sleep. The scale ranges from 1 to 7, with 7 being the most sleepy. Please read the entire scale below and then check the level that best describes your current state of sleepiness.

Sleep Monitoring/Polysomnography/Evening and Morning Survey
p_eval_sleep Stanford sleepiness scale before type I polysomnography

This question refers to how sleepy or alert you feel at a particular time. We would like you to read the scale below and then rate how sleepy you feel right now. The scale ranges from 1 to 7, with 7 being the most sleepy. Please read the entire scale, and then check the level that best describes your current state of sleepiness.

Sleep Monitoring/Polysomnography/Evening and Morning Survey