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Nightmares affect the experience of sleep quality but not sleep architecture: An ambulatory polysomnographic study

机译：噩梦影响睡眠质量的体验，但不影响睡眠结构：一项动态多导睡眠监测研究

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Background\ud\udNightmares and bad dreams are common in people with emotional disturbances. For example, nightmares are a core symptom in posttraumatic stress disorder and about 50% of borderline personality disorder patients suffer from frequent nightmares. Independent of mental disorders, nightmares are often associated with sleep problems such as prolonged sleep latencies, poorer sleep quality, and daytime sleepiness. It has not been well documented whether this is reflected in objectively quantifiable physiological indices of sleep quality.\ud\udMethods\ud\udQuestionnaires regarding subjective sleep quality and ambulatory polysomnographic recordings of objective sleep parameters were collected during three consecutive nights in 17 individuals with frequent nightmares (NM) and 17 healthy control participants (HC).\ud\udResults\ud\udNM participants reported worse sleep quality, more waking problems and more severe insomnia compared to HC group. However, sleep measures obtained by ambulatory polysomnographic recordings revealed no group differences in (a) overall sleep architecture, (b) sleep cycle duration as well as REM density and REM duration in each cycle and (c) sleep architecture when only nights with nightmares were analyzed.\ud\udConclusions\ud\udOur findings support the observation that nightmares result in significant impairment which is independent from disturbed sleep architecture. Thus, these specific problems require specific attention and appropriate treatment.\ud
机译：背景\ ud \ ud梦es和噩梦在情绪障碍者中很常见。例如，噩梦是创伤后应激障碍的核心症状，约50％的边缘性人格障碍患者经常患上恶梦。与精神疾病无关，噩梦通常与睡眠问题相关，例如睡眠时间延长，睡眠质量较差和白天嗜睡。关于睡眠质量的客观可量化的生理指标是否得到反映，这一点还没有得到充分的证明。\ ud \ udMethods \ ud \ ud在连续三个晚上连续17个晚上收集了关于主观睡眠质量和客观睡眠参数的动态多导睡眠监测记录噩梦（NM）和17名健康对照参与者（HC）。\ ud \ udResults \ ud \ udNM参与者报告的睡眠质量较HC组更差，清醒问题更多，失眠更严重。但是，通过动态多导睡眠监测仪记录获得的睡眠测量结果显示，（a）整体睡眠结构，（b）每个周期的睡眠周期持续时间以及REM密度和REM持续时间以及（c）仅做噩梦的夜晚的睡眠结构均无组间差异。 \ ud \ ud结论\ ud \ ud我们的发现支持了这样的观察：噩梦会导致严重的损害，而这与睡眠结构的紊乱无关。因此，这些特定问题需要特别注意和适当的处理。

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