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在高强度运动中，身体释放的多巴胺、去甲肾上腺素等兴奋性神经递质一般更多。这些物质能提高注意力和警觉性，但也可能导致失眠。如果临近入睡进行相关运动，大脑往往来不及调整这些化学物质的平衡，无法进入正常的睡眠模式。而因疲劳产生的皮质醇，也容易导致碎片化睡眠 ...