Integrated bed sheet system and duvet system and folding board

A bed sheet system comprising:

• a fitted sheet configured to fit over a mattress, wherein the fitted sheet comprises a first connecting panel;
• a top sheet configured to fit over the fitted sheet, wherein the top sheet comprises a second connecting panel;
• a duvet cover, wherein the duvet cover includes an open-ended separating zipper along a bottom surface configured to traverse sides and a bottom of the bottom surface of the duvet cover generally along a perimeter thereof;
• and
• a duvet insert, wherein the duvet insert is received between the top sheet and duvet cover during assembly,
• wherein the first connecting panel and the second connecting panel comprise an open-ended zipper assembly that zips together to connect the first connecting panel together with the second connecting panel,
• wherein the top sheet includes an open-ended separating zipper along a top surface of the top sheet, wherein the open-ended separating zipper is configured to traverse sides and a bottom of the top surface of the top sheet generally along a perimeter thereof,
• wherein the top sheet is configured to connect to the duvet cover via the open-ended separating zipper in an assembly,
• wherein the duvet insert is configured to attach to the duvet cover,
• wherein the duvet insert includes straps,
• wherein the duvet cover includes holes for receiving the straps therethrough,
• wherein the top sheet includes a fold over portion generally disposed at a top of the top sheet, wherein the fold over portion includes snaps for retaining the fold over portion together,
• wherein the straps are disposed at and retained by the snaps.