Unverified85% confidenceDecision RuleTime unknown
临床级睡眠分期需要至少3个通道（脑电EEG+眼电EOG+肌电EMG），单通道额头电极的消费级设备只能做粗略睡眠分期，无法准确区分N1/N2/N3期
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85%
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Long-term
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Unverified单通道额叶（Fp1/Fp2）脑电设备只能粗略判断清醒/睡眠，无法准确分期深睡/REM；需要精确睡眠分期建议选择≥2个通道且包含枕区或中央区电极的设备81% similarUnverified电极通道数≥2且覆盖前额（Fp1/Fp2）才能区分深睡、浅睡和REM三阶段；单通道头带只能粗略判断睡眠/清醒，分期准确度明显下降80% similarUnverified单通道（1-2导）EEG设备足以做基础睡眠分期（清醒/浅睡/深睡/REM），但要做癫痫波、异常脑电或专业睡眠障碍筛查需至少4-6通道，家庭日常追踪选单通道额头贴片即可79% similarUnverified宣称'脑波同步/双耳节拍治疗失眠'的设备缺乏充分临床证据，慢性失眠（每周≥3次持续3个月以上）不应依赖助眠设备替代CBT-I（失眠认知行为疗法）就医79% similarUnverified监测睡眠分期需至少单通道EEG（脑电）采样率≥128Hz，仅靠心率+体动的贴片无法准确区分深睡与浅睡，误差可达30%以上78% similar
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