continuously remove waste and regulate fluid balance.
Still, starting the day with water can have several practical benefits.
## 1. It Helps Rehydrate You After Sleep
You normally go several hours overnight without drinking.
Anatomy
During that time, your body continues to lose water through:
* breathing
* sweating
* urine
* normal metabolic processes
So drinking water in the morning can help replace some of that fluid.
You do not need to be severely dehydrated to benefit from a glass of water after waking.
## 2. It May Help You Feel More Alert
Even mild
