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.
The Parana Pine is a type of softwood that is straight grained, durable and nearly knot free. It has a pale yellow color with red and brown streaks, and it is easy to cut and shape. This softwood is ideal for attaining smooth finishes. It is used in manufacturing furniture and plywood.