Late-day thinking slows after big
Late-day thinking slows when brain energy is running low.
Hydration
Hydration is more than drinking water.
Your body also needs minerals to move fluid into the right places, keep muscles working, support focus and recover from heat, travel, alcohol, long shifts and dry environments.
This page brings together KYŌ articles on electrolytes, dehydration, heat, coffee, flights, workdays and how to stay properly hydrated when your rhythm is under pressure.
What does dehydration do to your body?
Most people drink water when they are thirsty and assume that covers hydration. At a cellular level, hydration depends on electrolytes as much as w...
What are the first signs of dehydration?
Urine colour is useful but not the complete picture. Other physical signs give you earlier and more specific information about your hydration statu...
Water, coconut water or electrolytes
The hydration market is full of products making overlapping claims. Understanding what each one actually contains and what that means for different...
Night shift dehydration
Night shift workers are at higher risk of chronic dehydration than day workers. The reasons involve body clock biology, environmental factors and t...
What does 2% dehydration do to your brain and body?
Two percent dehydration sounds like a small number. In practice, it represents around 1.5 litres of fluid for a 75 kilogram person and produces mea...
Why coffee makes hydration harder
Coffee is commonly said to dehydrate you. This is more complicated than a simple yes or no. The diuretic effect of caffeine is real but modest and ...
How much water do you need in a day?
Eight glasses per day is one of the most repeated health recommendations with the least evidence behind it. Actual fluid requirements vary substant...
How dehydration causes brain fog
Thirst is a late signal. By the time you feel it, your cognitive performance is already measurably impaired. Understanding what mild dehydration do...
Hydration at work
Office environments are quietly dehydrating. Air conditioning, heating, and low physical activity combine to suppress your sense of thirst while yo...
Heat and sun hydration
Sun and heat deplete electrolytes faster than plain water can replace them, while UV exposure increases oxidative stress across the body. Knowing h...
What dehydration does to you
Hydration is about electrolytes, not just water.