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DRHeart rate variability is one of the best windows into your nervous system.
It reflects how easily your body can shift between stress mode and recovery mode. The more flexible that system is, the better you tend to handle training, illness, and everyday stress.
A few things that consistently move HRV:
• Sleep quality
• Alcohol intake
• Illness or inflammation
• Training load and recovery
• Psychological stress
• Aerobic fitness
• Glycemic regulation
Blood sugar stability matters more than most people realize. Large glucose swings tend to push the body toward sympathetic (“fight-or-flight”) dominance and can suppress HRV.
One helpful strategy is including resistant starch foods such as cooled potatoes, beans, lentils, or green bananas. These feed gut bacteria, slow glucose spikes, and can support more stable metabolic signaling.
The number on any single day doesn’t mean much.
The trend tells the story.
Have you tried HRV Tracking?
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