> Our bodies are pretty good at telling us what it needs. Drink when you're thirsty and nap when you're drowsy. On average, maybe. While the science of how to

> Our bodies are pretty good at telling us what it needs. Drink when you're thirsty and nap when you're drowsy. On average, maybe. While the science of how to reproducibly measure the variations is still fairly young, there's evidence that the accuracy/responsiveness of the underlying signals, the baseline intensity of the sensations, and the ability to integrate those sensations into an actionable concept like "thirsty" or "drowsy" all exist on a spectrum [1]. [1] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6054486/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6054486/