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.
Softwood lumber is timber obtained from coniferous evergreen trees. The timber may be processed or used as it is for various applications. Various types of softwood lumbers are available.Levels of resilience vary from one softwood species to the next.However, softwoods are generally not as hardy as hardwood.ore than 60 species of the tree exist. This much-loved softwood enjoys wide usage as a Christmas tree. Fir lumber is one of the weaker softwood types. Wood from the tree is not considered suitable for general timber use.