Accubattery - Monitor's battery capacity through the use of science

Casper Sheets and Pillows - Sheets and pillows for everyone (by Casper)

BatteryCare - BatteryCare - Application and good practice guide for maintaining and optimizing the battery of the modern laptop

Eight Smart Mattress - The perfect mattress, but smart

Greenify - Greenify is a mobile app that gives you greater control over your Android device's power usage, allowing you to get a lot more mileage out of your battery life without having to constantly plug it back into a charger.

Casper - Casper is changing the way the world sleeps