Drink More Water
Lifehack: Drink water to avoid dehydration 
I spend a lot of time at my computer. I'm also a lazy person. And even though I know I should get up and get another glass of water I often won't. Because ugh… that's work.
How could I solve this problem? I first looked into various water bottles, but somehow they were all either rather small (<2 liters) or a bit unwieldy. So i came up with a different solution:
There's a 5 liter water bottle in the shelf and the dispenser is rechargeable via USB. Problem solved.