There are several theories but the two that seem to stick are that sleep: allows your body to replenish energy stores and repair itself. gives you the chance to save energy. Sleep may also aid learning and give our bodies time to organise all the memories of the hundreds of events we experience every day.
Softwood is also used in the production of paper, and for various types of board such as MDF (medium-density fiberboard). The finer softwoods have many special uses. they are used for making window frames,doors,frames,t.v. stands,flooring and beds.
Another type of softwood is the Scots Pine, which is a popular natural wood. It has plenty of knots and can be resinous. Its color is usually light yellow or dark brown, and it is easy to shape with hand tools and machines. Scots Pine is used for interior work in the construction industry and also for making furniture.