Anyone who has slept in a hostel dorm, a paper walled apartment, or a shared house with unpredictable schedules knows the particular exhaustion that comes from broken rest. Eight hours of interrupted sleep and eight hours of continuous sleep register as two entirely different experiences for the body. Moving into a genuinely quiet home changes that experience in ways that show up almost immediately. Bedroom at Circles House Barcelona The Hidden Cost of a Noisy Night Sound int

Most entrepreneurs spend their energy chasing better software. A faster CRM, a smarter automation stack, the newest AI assistant promising to save ten hours a week. These upgrades feel productive because they are measurable and immediate. You install something, you feel the click of progress. The real accelerant sits somewhere quieter: the people you share a kitchen, a coworking table, or a living room with. Your daily environment trains your instincts long before any tool do

Part of what makes Circles House different isn't the rooftop or the coworking space, it's who you end up sharing them with. We sat down with Jack, a current member and the Founder & CTO of Kotini, to hear his story: from a four-year fabrication apprenticeship to building a proptech company from wherever he happens to be in the world. Below, he shares his story firsthand. Tell us a little about yourself. I'm Jack, Founder and CTO of Kotini. My route here wasn't exactly convent