The Huawei Watch GT 4 not only records sleep, but also sleep breathing. There is also a new cycle calendar app.
Huawei Watch GT 4 Review
Huawei Watch GT 4 receiving 4.0.0.122 update in Europe - Huawei Central
Samsung Galaxy Watch 4 series gets new security update - SamMobile
Buy this smartwatch, but only if you own a certain phone
HUAWEI Watch GT 4 review: Should you buy it? - Android Authority
Huawei Watch GT 4 grabs new features and optimizations with January 2024 update - Huawei Central
Huawei Watch GT 4 now measures your sleep and SpO2 better thanks to a new update - Gizmochina
Huawei Watch GT 4 receives usability improvement with latest software update - News
Huawei Watch GT 4 review - news