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Related Experiment Videos

Sleep at high altitude.

J V Weil

    Clinics in Chest Medicine
    |December 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    High altitude disrupts sleep through periodic breathing caused by low oxygen and carbon dioxide levels. Acetazolamide may reduce this disruption, improving sleep quality at altitude.

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    Area of Science:

    • Physiology
    • Sleep Medicine
    • Altitude Research

    Background:

    • Sleep disruption and frequent awakenings are common at high altitudes.
    • This is often linked to respiratory dysrhythmias, specifically periodic breathing during NREM sleep.

    Purpose of the Study:

    • To investigate the mechanisms of sleep disruption at high altitude.
    • To explore the role of respiratory dysrhythmias and the effect of acetazolamide.

    Main Methods:

    • Analysis of respiratory patterns during sleep at high altitude.
    • Assessment of the impact of acetazolamide pretreatment on sleep and breathing.

    Main Results:

    • Periodic breathing, characterized by repetitive cycles of apnea and hyperpnea, perpetuates sleep disruption.

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  • Sleep disruption and periodic breathing diminish over time at altitude.
  • Acetazolamide pretreatment significantly reduces sleep disruption and periodic breathing.

    • Conclusions:

    • Respiratory dysrhythmia, driven by hypocapnia and hypoxia, is a key factor in high-altitude sleep disturbance.
    • Acetazolamide offers a potential therapeutic strategy for mitigating sleep problems associated with altitude exposure.