Unverified85% confidenceTradeoffTime unknown
干电极睡眠头带无需导电膏，适合日常长期佩戴，但信号稳定性弱于湿电极；追求科研级脑电精度需选湿电极型号，日常睡眠监测干电极足够
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85%
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Long-term
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