Sleep studies in asthmatic adults: Relationship of attacks to sleep stage and time of night

摘要: Abstract Twelve adult asthmatic patients were studied for 35 nights with EEG, electromyogram, and eye movements continuously recorded. A total of 93 episodes observed. Of these, 73 occurred out nonrapid movement (NREM) sleep, 18 from rapid (REM) 2 after lengthy awake periods. The attacks throughout the night, lowered incidence only in first hour sleep. Thus no clear-cut relationship was noted between sleep stages and/or time night. patterns young compared normal adults previously studied. had considerably less because frequent awakenings onset early final awakenings. similar two groups. significantly stage 4 while percentage REM to that adults. taking adrenal corticosteroids those who not. No differences latency, time, number periods nightly. There slight (nonsignificant) groups percentages spent various stages. study did not support hypothesis specifically related nor it other theories linking nocturnal ebb secretion, disturbing dreams, or allergenic influences. It concluded are multidetermined, factors such as recumbency, 17-OH corticosteroid levels, anxiety, dreaming, depth playing roles varying subject subject.