Do You Need a Biometric for Your Heart Rate?

You could train every day, but in that case you have either keep the intensity low or the volume low. The body can only adapt to a certain point and if it's always forced to recover from an exercise hat it never has the opportunity to adapt. For that to happen, it needs some time off. Find h biometric from aps like wering helpful because one of the metrics that they seems to be correlated with the need for having an easy day is the lowest heart rate of your night.