1) VITVAL \ VITVAL Loft bed frame
https://www.ikea.ee/en/rooms/spalnya/krovati/krovati-dlya-detey/vitval-karkas-krovati-cherdaka-art-10411242 
2) LATTO \ LATTJO Duvet cover and 1 pillowcase, large robot, light gray
https://www.ikea.com/en/p/latto-pododeyalnik-i-1-navolochka-bolshoy-robot-svetlo-seryy-30376817/ 

It is recommended to use the turbosmooth modifier for bedding.

For Corona render, it is recommended to install version no lower than 3, since the glossiness of materials is configured taking into account PBR.