抹茶在睡眠期间不会影响脑电图,但可能提高精神健康:随机安慰剂控制的临床试验
Yoshitake Baba1, Takanobu Takihara1, Noritaka Okamura2
1Central Research Institute, ITO EN, Ltd., 21 Mekami, Makinohara 421-0516, Shizuoka, Japan.
Nutrients
|September 14, 2024
概括
饮用抹茶可以改善主观睡眠质量和情绪稳定. 尽管客观睡眠指标没有显著变化,但参与者报告了更好的睡眠满意度和更短的唤醒时间.
科学领域:
- 营养科学 营养科学
- 睡眠医学 睡眠医学
- 心理学 心理学 心理学
背景情况:
- 抹茶中的茶氨酸与改善睡眠和认知有关.
- 绿茶中的咖啡因可能会对睡眠质量产生负面影响.
- 需要进行研究来了解抹茶对主观睡眠质量的影响.
研究的目的:
- 为了研究有助于改善主观睡眠质量与抹茶消费的因素.
- 评估每日抹茶摄入量对客观和主观睡眠参数的影响.
- 评估情绪的变化和情绪的稳定性.
主要方法:
- 一项为期4周的,安慰剂控制,随机,双盲,并行组研究.
- 涉及的健康的日本成年人年龄在27-64岁之间.
- 使用脑电图 (EEG) 进行客观睡眠测量和睡眠问卷 (OSA-MA) 进行主观评估,并与贝克抑郁症清单II.
主要成果:
- 通过EEG测量的客观睡眠参数 (总睡眠时间,延迟,入睡后醒来,效率) 没有显著差异.
- 通过EEG观察到,对睡眠时间的满意度增加 (p < 0.1) 和醒来时间显著缩短 (p < 0.05) 的趋势.
- 发现了贝克抑郁 inventory-II评分下降的趋势 (p < 0.1).
结论:
- 不断摄入抹茶可以提高主观睡眠质量和情绪稳定.
- 观察到的好处发生在客观睡眠参数没有显著改变的情况下.
- 抹茶的独特成分需要进一步研究其对幸福感的整体影响.
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