Hydration
Water is easier when the glass is already there. One glass tied to something you already do is enough for a practice day. Thirst and health needs differ from person to person.
Example
Drink one glass of water with a meal you already eat.
Small action
Drink one glass of water.
COM-B barrier
Opportunity. Opportunity: water close to a routine you already keep.
Centers for Disease Control and Prevention: About Water and Healthier Drinks