Assessing ‘readiness’ by tracking fluctuations in daily sleep duration and their effects on daily mood, motivation, and sleepiness

Self-reported sleepiness relates to poorer performance in tasks requiring vigilance, such as driving and has also been associated with reduced motivation to engage in social or physical activities. Better mood can result in more productive behavior, better job performance and higher academic achievement. Finally, higher motivation has been tied to greater productivity among working adults and higher grade-point averages in students.
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