The daylong celebration of relaxation has been held annually since 1985 in this small city of some 200,000 in northwestern Colombia.
The city is known, rather paradoxically, for its bustling commerce and its thriving industrial park.
But 32 years ago, one resident, Carlos Mario Montoya, had the idea that the city should celebrate not just the hustle-bustle of business, but also slowing down and enjoying life.
"We wanted to draw attention to the importance in any community of free time and leisure activities," said Montoya, 65, who helped put together this year's event as well.
"The biggest illness we have today is stress - the hustle-bustle of everyday life," said Jhon Jairo Alonso, reclining in his pajamas in the midday sunshine.
Flanked on a wide mattress by his wife, his mother, and a family friend, they made a cozy group, even if surrounded by curious onlookers.
"Please don't disturb us," Alonso joked. "We're going to be spending the whole day in bed!" Click for more trending news
Get the latest election news, live updates and election schedule for Lok Sabha Elections 2019 on ndtv.com/elections. Like us on Facebook or follow us on Twitter and Instagram for updates from each of the 543 parliamentary seats for the 2019 Indian general elections.