Those who can afford the time and expense involved may wish to take advantage of the facilities offered by a health gymnasium. None of the equipment and other facilities provided by a gymnasium are strictly necessary to the process of getting fit, but they can add interest and variety to your physical exercises. Another advantage offered by a good gymnasium is constant supervision, which enables you to exercise with safety confidence and a congenial atmosphere. Exercising with people who share a common purpose can provide extra enjoyment and inventive.
Many people–especially those who take part in a sport or some other active recreational activity–believe that they get enough exercise during their ordinary daily routine to keep themselves in good physical condition. Whether or not this is true depends very much on the type of sports you're playing, and the regularity of your participation.
Little is known about why sleep is essential for good health. It seems that the central nervous system needs a regular period of recuperation from stimulation. However, it is not known why about a third of every twenty-four hours are spent in this recovery phase.