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睡眠限制的影响,与或没有之前的晚上炼,上午餐后脂血
Alan C Maloney1, Matthew McDonald2, Gregory F Petroski3
1University of Missouri Columbia, Department of Nutrition and Exercise Physiology, Columbia, Missouri, United States; amzdr@missouri.edu.
概括
一晚的睡眠限制对高脂肪餐后的早晨脂肪代谢产生最小的影响. 晚上运动并不能完全抵消睡眠限制.
科学领域:
- 代谢健康 代谢健康
- 睡眠科学 睡眠科学
- 运动生理学 运动生理学
背景情况:
- 众所周知,睡眠限制 (SR) 会影响葡萄糖代谢.
- 众所周知,运动可以改善葡萄糖代谢.
- 对SR和运动对食后脂血的综合影响尚不清楚.
研究的目的:
- 为了研究一晚SR对早晨食后脂血的影响.
- 为了确定之前的晚上运动是否会影响SR之后的脂质反应.
- 检查SR和运动对高脂肪挑战的代谢和腹反应的联合影响.
主要方法:
- 10名过重/肥胖的久坐不动的成年人接受了四种条件:正常睡眠 (8小时) 之前有/没有运动,SR (4小时) 之前有/没有运动.
- 参与者在早上吃了一顿标准的高脂肪餐.
- 饮食后的葡萄糖,胰岛素,非化脂肪酸和甘油三的度被测量了4个小时. 同时还评估了腹程度.
主要成果:
- 一晚的SR并没有显著改变禁食或2小时的葡萄糖,胰岛素,非化脂肪酸或甘油三的度.
- 在SR和正常睡眠条件之间,没有观察到曲线下总体代谢区域或和度的显著差异.
- 运动表明与睡眠状况的相互作用,在测试后半部分降低了甘油三度,但在SR下,这种效应被取消了.
结论:
- 一晚的睡眠限制对过重或肥胖的久坐不动个体的早晨食后脂血的影响很小.
- 之前的晚上炼可以降低食后甘油三水平,但这种益处被睡眠限制所否定.
- 需要进一步的研究来了解睡眠限制和运动对代谢健康的长期影响.
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