Introducing the Lief Program
Ordering information for U.S. customers
Insurance information for patients and providers
Ending subscriptions and returning orders
Ordering information for customers outside the U.S.
Starting and ending Lief's coaching subscription
You've received your Lief, now what?
Tips on resolving connectivity issues
How to charge your Lief and check battery life
Purchasing and wearing Lief's ECG stickers
How and when you can wear your Lief
Taking care of your Lief
HRV basics and why it matters for mental health
Data access in the Lief app
Info on Downtime Doses and Autodosing
Information for healthcare professionals who want to share Lief with patients or clients
Lief AI is next-gen HRV-biofeedback designed to help you regulate your nervous system and build resilience.