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  • Title: Effects of napping on neuromuscular fatigue in myasthenia gravis.
    Author: Kassardjian CD, Murray BJ, Kokokyi S, Jewell D, Barnett C, Bril V, Katzberg HD.
    Journal: Muscle Nerve; 2013 Nov; 48(5):816-8. PubMed ID: 23836427.
    Abstract:
    INTRODUCTION: The relationship between sleep and neuromuscular fatigue is understood poorly. The goal of this study was to evaluate the effects of napping on quantitative measures of neuromuscular fatigue in patients with myasthenia gravis (MG). METHODS: Eight patients with mild to moderate MG were recruited. Patients underwent maintenance of wakefulness tests (MWT) and multiple sleep latency tests (MSLT). The Quantitative Myasthenia Gravis Score (QMGS) was measured before nap and after each nap to examine the effects of napping and sleep on neuromuscular weakness. RESULTS: Results showed that QMGS improves only after naps where patients slept more than 5 min but not where patients did not sleep or slept less than 5 min. CONCLUSIONS: Daytime napping mitigates neuromuscular fatigue in patients with MG, especially if patients slept for more than 5 min.
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