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Sleep Science explains the principles with data; Brand News records Tiiiyes product and factory updates. All data cites its test source.

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Tiiiyes · Multi-Dimensional Sleep Support

Guangdong Yifei Health Technology Co., Ltd.

Customer Service: 400-998-0275

Room 101, Building 1, No. 4 Weiheng Road, Dongcheng Street, Dongguan, Guangdong

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Tiiiyes · Focused on Multi-Dimensional Sleep Support · Guangdong Yifei Health Technology Co., Ltd. Guangdong ICP License No. 2026035166