Last updated: January 20, 2026
Beijing Leshui Technology Co., Ltd ("we", "our", or "us") respects your privacy. This Privacy Policy describes how we collect, use, and protect your information when you use our mobile applications (including "Party King" and "SleepYet").
We operate on a principle of data minimalism. For our basic services, we do not collect personal identifiable information unless you explicitly provide it (e.g., your phone number for the "SleepYet" supervision feature).
Any information collected is used solely for the purpose of providing and improving our services. We do not sell your personal data to third parties.
If you have any questions about this Privacy Policy, please contact us at:
contact@leshuilabs.com