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 cuttings root much faster than hardwood cuttings because they are soft and supple. However, softwood cuttings are frail and can fail easily where as hardwood cuttings are tough as nails but it takes them much longer to root. If you can keep your softwood cuttings happy, they will root for you rather quickly.