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Related Experiment Videos

Sleep of shiftworkers within the arctic circle.

H Anderson, M M Chambers, G Myhre

    Aviation, Space, and Environmental Medicine
    |November 1, 1984
    PubMed
    Summary

    Shiftworkers in the Arctic experience less restful sleep during autumn and winter. However, their sleep patterns are otherwise similar to non-Arctic shiftworkers, suggesting comparable management strategies for sleep disturbance.

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    Area of Science:

    • Sleep science
    • Circadian rhythms
    • Arctic research

    Background:

    • Shift work poses challenges to sleep regulation.
    • The unique Arctic environment may impact sleep patterns.

    Purpose of the Study:

    • To investigate the sleep patterns of Arctic shiftworkers.
    • To compare Arctic shiftworker sleep with that of other populations.

    Main Methods:

    • Electroencephalography (EEG) was used to monitor sleep.
    • Subjects were studied over a 2-year period, four times annually.

    Main Results:

    • A trend of less restful sleep was observed during autumn and winter months.
    • Sleep patterns at other times of the day were comparable to non-Arctic populations.

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    Conclusions:

    • Sleep disturbance in polar shiftworkers shows seasonal variations.
    • Management strategies for Arctic shiftworker sleep may align with those used in temperate regions.