
Best smartwatches for heart patients
Best smartwatches for heart patients start with phone-compatible ECG: Apple Watch Series 12 for iPhone, Galaxy Watch 9 for Android.

Best smartwatches for nurses: Garmin Venu 4 lasts up to 12 days, while Apple and Samsung offer stronger phone-first controls.

Best smartwatches for making calls
Smartwatch calling works best with a compatible phone, cellular model and carrier; Apple leads on iPhone, Samsung on Galaxy.

Which smartwatches are suitable for sleeping with?
Smartwatches suit overnight wear when fit and charging work for you; prioritise sleep duration and trends over one stage chart or score.

Best smartwatches for walking start with Garmin Fenix 9 for routes and outdoor tracking; Samsung wins when Android features matter.

Which smartwatch is best for swimming?
Best smartwatch for swimming: Apple Watch Ultra 4 leads for pool and open water, while Garmin suits longer endurance sessions.
