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 is a type of wood that is cheap and only has two types of cells br br softwoods br these are produced by the cone bearing trees conifers they are generally evergreen and have easily recognizable needle like leaves they grow in cold or cool temperate climates