Unverified83% confidenceTradeoffTime unknown
监测精度越高越依赖前额贴合的干电极，反而牺牲侧睡舒适度（头戴式发带压迫）；纯舒适的入耳式豆状耳机基本无脑电监测能力——两者难以兼得
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83%
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Long-term
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Unverified头带式脑波耳机监测精度高但佩戴闷热、易移位，侧睡时电极接触不良导致数据缺失；耳塞式舒适但只能做体动级睡眠追踪，二者不可兼得91% similarUnverified监测精度越高的头带电极压力越大越紧，长期佩戴易在前额留压痕、影响入睡；侧睡人群应优先选择电极模块薄、避开耳后压迫的款式90% similarUnverified头带式（额贴）设计比全头罩式舒适度高、更适合侧睡，但电极覆盖范围有限；耳夹或耳道式脑电设备最不影响睡姿但信号最弱89% similarUnverified侧睡舒适度是核心卖点，豆体极薄贴合耳甲腔，多数用户反馈侧卧无明显压迫感，这一点优于常规入耳式耳机84% similarUnverified脑波监测数据和睡眠分期报告丰富度优于手环/手表类设备，但佩戴舒适度和侧睡适配性明显不如腕戴设备84% similar
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