You pass through different phases of sleep in regular cycles during the night. The two main phases are: rapid eye movement (REM) sleep. non-rapid eye movement (non-REM) sleep. You move through stages of non-REM sleep then into REM sleep and back again. Each full cycle takes about one to two hours.
Softwood. Softwood is used to describe wood from trees that are known as gymnosperms. Conifers are an example. It may also be used to describe trees, which tend to be evergreen, notable exceptions being bald cypress and the larches.oftwood. Softwood is used to describe wood from trees that are known as gymnosperms. Conifers are an example. It may also be used to describe trees, which tend to be evergreen, notable exceptions being bald cypress and the larches.
In many cases, hardwoods and softwoods are both used for many of the same purposes, with more emphasis placed on the type of hardwood or softwood and how dense it is.enerally, though, softwoods are cheaper and easier to work with than hardwoods. As such, they make up the bulk of all wood used in the world, with about 80% of all timber being a softwood.