If you slowly condition yourself I think you can exchange sleep quality for increased heart rate.
But I suspect the heart needs rest too and you will die.
An isometric hold would be better I think. You don't get any vo2max improvement but it does improve cardiovascular health.
If you slowly condition yourself I think you can exchange sleep quality for increased heart rate.
But I suspect the heart needs rest too and you will die.
An isometric hold would be better I think. You don't get any vo2max improvement but it does improve cardiovascular health.