Many of us spend a lot of time worrying about better sleep. Sleep – or the lack of it – is anything but a sleepy topic these ...

Artificial intelligence can identify patterns in sleep and detect correlations with diseases with a high degree of accuracy. Researchers from Stanford ...

Smartwatches provide useful fitness insights but often give inaccurate estimates for calories, steps, heart rate, sleep, and ...

Smartwatches can under-count steps by about 10% under normal exercise conditions. Activities such as pushing a pram, carrying ...

Smartwatches aren’t always as accurate as you might think. In some cases, you’d be better off listening to your body.

Smartwatches estimate your heart rate using sensors that measure changes in blood flow through the veins in your wrist. This ...

Q: Should I be worried about obstructive sleep apnea? Obstructive sleep apnea is estimated to affect 25 million Americans or ...

Sleep scientists have one meaning for this term. Your Apple Watch has another.

I’ve worn an Oura Ring for 3 years. Here’s my honest review of the Oura Ring 4 — what’s improved, what’s not, and whether ...

Solen Feyissa/Pexels You check your smartwatch after a run. Your fitness score has dropped. You've burnt hardly any calories.