The American start-up Casper, which has dynamited the international mattress market, knows how to keep its employees awake… In New York, the company has designed workspaces in line with the products that it distributes. Supported by Float Studio, an interior expert design, the company has installed several beds for napping breaks, soft and soundproofed corners for casual meetings or phone calls away from the openspace’s noise. Crucial question: do teams saying each other ‘good night’ instead of ‘good morning’ everyday? Mystery.