All those activities that are categorized as entertainment actually deviate your attention from matters that cause mental stress and pressure. Many studies and researches have shown that a workplace where the environment is stress-free and friendly in nature has a higher efficiency level. Human resource departments often rely upon the presence of entertainment to create a better-working environment. Large enterprises often create a refreshment area for their employees inside the company building. These recreational areas are for the staff and they can come and enjoy their leisure time.
Schools are also asked by education boards to engage their students in extra curricular activities. These activities are very important for improving social interaction skills and character building. They help bring a sense of healthy competition and fair play spirit among the students.
Many people consider some high-risk activities as their source of entertainment. Bungee jumping, off-road traveling, scuba diving and sky dive. These activities can prove fatal but if they are performed under the supervision of professionals, they can be really fun.
The most important thing everyone should do is enjoy some sort of activity during their daily routine that will take away the issues that come up during through the day. Constantly thinking about what goes wrong and what needs to be done keeps your stress levels way too elevated for your own good. You can go for something as simple and as easy as a reading a book in your lunch break - for the brief period when you immerse yourself in that universe you tend to forget about your issues - enough for your brain to take a break from all the madness.
Another interesting alternative is simply taking a break from it all and going for a walk - you would be amazed how truly entertaining a walk can be. Simply take your mp3 player with you, let your favorite songs play and during your lunch break go to your "happy place". There is no better entertainment while you are at work. You can also consider something more eclectic like a PlayStation portable if you are the kind of person that enjoys being challenged at a console game now and then.
It all depends on your wants and needs - entertainment comes in a variety of ways, and picking the one that is right for you will ensure its efficiency in stress-relief matters. Remember that it is important to do exactly what you want - that's why it's called taking a break.