[缓慢波睡眠碎片化和快速眼球运动睡眠碎片化对黑激素分泌的影响]
Yu V Ukraintseva1, K A Saltykov1
1Institute of Higher Nervous Activity and Neurophysiology of the Russian Academy of Science, Moscow, Russia.
Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova
|June 27, 2024
概括
夜间睡眠的碎片化,特别是矛盾阶段的碎片化,会增加黑激素 (MT) 的分泌. 这种MT的上升与睡眠障碍有关,而不是自主平衡的变化,这表明血清激素系统的作用.
科学领域:
- 神经科学是一个神经科学.
- 睡眠科学 睡眠科学
- 内分泌学 在内分泌学.
背景情况:
- 黑色素 (MT) 的分泌是由昼夜节律和睡眠调节的.
- 睡眠结构,包括第三阶段和悖论性睡眠,在生理调节中起着至关重要的作用.
- 自主平衡和激活反应是睡眠阶段的组成部分.
研究的目的:
- 为了比较第三阶段睡眠碎片化与悖论性睡眠碎片化对黑激素分泌的影响.
- 评估睡眠障碍期间自主平衡和激活反应的变化.
- 为了研究睡眠碎片化,黑激素水平和自主功能之间的关系.
主要方法:
- 15名健康的男性接受了三次实验:分裂的第三阶段睡眠,分裂的悖论性睡眠和不受干扰的对照睡眠.
- 在晚上,晚上和早上收集唾液样本以确定黑激素水平.
- 通过心电图分析心率变化,以评估自主平衡.
主要成果:
- 睡眠碎片化减少了大约50%的第三阶段和矛盾睡眠持续时间.
- 矛盾睡眠的碎片化增加了夜间清醒,并显著提高了早晨的黑激素水平 (1.8x控制).
- 第三阶段碎片化增加了交感激活,而悖论性睡眠碎片化没有改变自主平衡;更高的黑激素水平与增加的夜间清醒和悖论性阶段激活相关.
结论:
- 夜间睡眠障碍,尤其是悖论性阶段分裂,会增加黑激素的分泌.
- 增加的黑激素水平似乎独立于自主平衡的变化.
- 这些发现表明,在睡眠碎片化期间黑激素的升高与血清激素系统的激活有关,这与睡眠深度和连续性的中断有关.
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