and this prompted her to devise a system she calls intermittent resting. She explains, "At night you have a 90-100 minute cycle of REM where lots of processing and housekeeping happens.

For most adults, a resting heart rate range of 60 to 100 beats per minute (bpm) is typical: However, a number of factors—including physical activity levels, stress and medication—can impact ...

And how do you know if your heart rate is normal? What is a resting heart rate? In simple terms, it’s the number of times your heart beats per minute when you’re at rest. Your heart rate is a good ...