sleepstudy dataset from R-package 'lme4'

Description

The average reaction time per day for subjects in a sleep deprivation study. On day 0 the subjects had their normal amount of sleep. Starting that night they were restricted to 3 hours of sleep per night. The observations represent the average reaction time on a series of tests given each day to each subject.

Usage

1

Format

A data frame with 180 observations on the following 3 variables.

  • Reaction

    Average reaction time (ms)

  • Days

    Number of days of sleep deprivation

  • Subject

    Subject number on which the observation was made.

References

Gregory Belenky, Nancy J. Wesensten, David R. Thorne, Maria L. Thomas, Helen C. Sing, Daniel P. Redmond, Michael B. Russo and Thomas J. Balkin (2003) Patterns of performance degradation and restoration during sleep restriction and subsequent recovery: a sleep dose-response study. Journal of Sleep Research 12, 1-12.

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