Unverified80% confidenceTradeoffTime unknown
亮度越高的唤醒效果越好但夜间助眠越差，需选亮度范围广（如1lux-500lux）且分档细腻的产品，单一亮度或粗档位难以兼顾唤醒与助眠双场景
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Unverified亮度越高氛围感越强但越不适合睡眠，助眠用途应选支持亮度调节且最低档≤10流明的机型，高亮固定档灯会影响入睡90% similarUnverified亮度越高图案越清晰锐利，但对关灯睡眠环境的刺激也越强；哄睡为主选低亮度柔和款，白天陪玩认知图案为主可选高亮度款，二者难兼顾时优先按主用途取舍89% similarUnverified亮度越高、色温越冷的夜灯照明实用性越强（如起夜找物），但越不利于睡眠维持，纯睡眠陪伴场景应牺牲亮度选低亮暖光89% similarUnverified日出唤醒的亮度峰值（部分产品达300lux+）与助眠所需的暗弱暖光是矛盾需求，一台机器兼顾两者时唤醒亮度往往被阉割，重度赖床者建议优先看唤醒峰值亮度而非助眠功能88% similarUnverified日出唤醒亮度需求与助眠低亮度需求存在冲突：唤醒需高亮爆发、助眠需极低亮度，动态范围不足的灯难以兼顾，唤醒功能与助眠功能都强的机型通常价格更高87% similar
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