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Chronic Sleep Deprivation in Mouse Pups by Means of Gentle Handling

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Published on: October 11, 2018

Effects of cumulative sleep restriction on self-perceptions while multitasking.

Mikael Sallinen¹, Jussi Onninen, Katriina Tirkkonen

¹Centre of Expertise for Human Factors at Work, Finnish Institute of Occupational Health, Helsinki, Finland. mikael.sallinen@ttl.fi

Journal of Sleep Research

|November 23, 2012

Summary

Sleep restriction impairs self-perceived performance, sleepiness, and mental fatigue. While some self-perceptions aid

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Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

Published on: August 8, 2019

Area of Science:

Sleep Science
Cognitive Performance
Human Physiology

Background:

Cumulative sleep restriction is prevalent but its impact on self-perception is understudied.
Understanding self-awareness of functional state during sleep loss is crucial for safety-critical roles.

Purpose of the Study:

To investigate self-perceptions of performance and functional state during sleep restriction and recovery.
To determine the accuracy of self-assessments in reflecting actual performance decrements.

Main Methods:

Twenty healthy males aged 19-29 years were divided into sleep restriction (4h/night for 5 nights) and control (8h/night) groups.
Participants completed multitasking sessions and provided daily self-ratings on performance, sleepiness, and fatigue.
Recovery involved returning to 8h sleep opportunity for both groups.

Main Results:

Self-perceived task performance, sleepiness, and mental fatigue significantly worsened during sleep restriction.
These self-perceptions returned to baseline levels during the recovery phase.
Self-perceived mental effort, tension, task difficulty, and pace did not change significantly with sleep restriction.

Conclusions:

Sleep-restricted individuals may use some self-perceptions to gauge 'fitness for duty'.
However, individual self-assessment accuracy is limited in detecting actual performance impairments.
Self-awareness of performance deficits during sleep loss is not fully reliable.