SleepStudy: Sleep Study

In Lock5withR: Datasets for 'Statistics: Unlocking the Power of Data'

Description

Data from a study of sleep patterns for college students.

Format

A dataset with 253 observations on the following 27 variables.

• Gender 1=male, 0=female

• Sex Female or Male

• ClassYear Year in school, 1=first year, ..., 4=senior

• LarkOwl Early riser or night owl? Lark, Neither, or Owl

• NumEarlyClass Number of classes per week before 9 am

• earlyClass Indicator for any early classes

• EarlyClass Indicator for any early classes

• GPA Grade point average (0-4 scale)

• ClassesMissed Number of classes missed in a semester

• CognitionZscore Z-score on a test of cognitive skills

• PoorSleepQuality Measure of sleep quality (higher values are poorer sleep)

• DepressionScore Measure of degree of depression

• AnxietyScore Measure of amount of anxiety

• StressScore Measure of amount of stress

• DepressionStatus Coded depression score: normal, moderate, or severe

• AnxietyStatus Coded anxiety score: normal, moderate, or severe

• Stress Coded stress score: normal or high

• DASScore Combined score for depression, anxiety and stress

• Happiness Measure of degree of happiness

• AlcoholUse Self-reported: Abstain, Light, Moderate, or Heavy

• Drinks Number of alcoholic drinks per week

• WeekdayBed Average weekday bedtime (24.0=midnight)

• WeekdayRise Average weekday rise time (8.0=8 am)

• WeekdaySleep Average hours of sleep on weekdays

• WeekendBed Average weekend bedtime (24.0=midnight)

• WeekendRise Average weekend rise time (8.0=8 am)

• WeekendSleep Average weekend bedtime (24.0=midnight)

• AverageSleep Average hours of sleep for all days

• allNighter Had an all-nighter this semester? Yes or No

• AllNighter Had an all-nighter this semester? 0 or 1

Details

The data were obtained from a sample of students who did skills tests to measure cognitive function, completed a survey that asked many questions about attitudes and habits, and kept a sleep diary to record time and quality of sleep over a two week period.

Source

Onyper, S., Thacher, P., Gilbert, J., Gradess, S., "Class Start Times, Sleep, and Academic Performance in College: A Path Analysis," April 2012; 29(3): 318-335. Thanks to the authors for supplying the data.

Lock5withR documentation built on May 2, 2019, 3:43 p.m.