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Oura Ring 4
Oura Ring 4 Ceramic
Oura Ring 4 Charging Case
Oura 会员现在可以了解自己是早起型、夜猫子，还是其他昼夜节律类型，然后根据这一点调整日常作息。
了解深度睡眠、浅睡眠和快速眼动期对于健康的不同作用。
Oura 的睡眠负债功能会根据你的个人睡眠需求，追踪你缺少多少睡眠。另外，你还可以学习一些有科学依据的方法，来弥补睡眠负债。
The short answer, unfortunately, is no. Learn why, and how to improve your sleep patterns to avoid sleep debt in the future.
See how sleep patterns change during the colder, darker months and over the holidays, according to Oura member data.
