Hydration Challenge (21 Days)

Most people don't drink enough — and only notice it in the afternoon, when concentration fades and the headache sets in. The Hydration Challenge turns a simple appeal into a collective four-week experiment: visible, trackable, social.

What Drinking Enough Actually Changes in the Office Even mild dehydration — 1 to 2% of body weight — measurably impairs cognitive performance, reaction time, and mood. 1.5 to 2 liters of water a day sounds like an obvious recommendation, but in everyday office life with meetings, deadlines, and cold coffee, many people drink less than half of that. The Challenge gives the topic a framework and a goal: track daily, and see together who makes it.

How the Challenge Becomes a Lasting Habit The decisive tip for higher compliance: visibility. Anyone who keeps a water bottle on their desk drinks noticeably more than someone who has to get up and go to the kitchen every time. Teams that use the Challenge to create good drinking conditions — water filters, glasses, visibly placed bottles — still show a higher water intake four weeks after the Challenge ends than before.