If you don’t want to spend to much on a bed, Casa Flores at Mariano Cueva 9-51 (between Gran Colombia & Bolivar) is having a big sale on baseboards to set your mattress on, it has the same use as a bed with a fraction of price, and will raise mattress off the floor.
They are light weight, antibacterial, 10 year warranty, available on two sizes
135×190 (2pz -full size) $99.00
200×200 (3pz -king size) $185.00
Price includes taxes and delivery within city limits