heart-rate-monitoring

I slept eight hours every night and blamed the mattress: the morning I opened my tracker’s overnight heart-rate graph, I understood what was really breaking my nights

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I slept eight hours every night and blamed the mattress: the morning I opened my tracker's overnight heart-rate graph, I u...

Eight hours in bed felt like a sleepless night until a heart-rate tracker revealed the truth: a restless line that never dipped as it should. Alcohol, stress, and lifestyle habits were sabotaging sleep quality—not the mattress. Learn what your tracker’s overnight graph is really telling you.

“I thought my watch was just being accurate”: why a heart rate stuck around 180 on your runs is a signal you should never trust

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'I thought my watch was just being accurate': why a heart rate stuck around 180 on your runs is a signal you should never ...

That suspiciously flat 180 BPM reading on your running watch isn’t your cardiovascular system—it’s likely cadence lock, where optical sensors mistake your footsteps for heartbeats. Peer-reviewed research confirms this common glitch distorts training zones and can sabotage months of structured workouts.