Can Facebook make you Sad & depress?

Studies suggest that browsing Facebook can make you unhappy, says Justin Mullins. Why might that be?
Not so long ago a new form of communication swept the world, transforming life in ways unimagined just a few years before. One commentator heralded it as “the greatest means of communication ever developed by the mind of man” while others pointed to its potential to revolutionise news, entertainment and education. But the poet and playwright TS Eliot had a different take. “It is a medium of entertainment which permits millions of people to listen to the same joke at the same time, and yet remain lonesome,” he wrote.

Science of Sleep

We spend a third of our lives doing it. Napoleon, Florence Nightingale and Margaret Thatcher got by on four hours a night. Thomas Edison claimed it was waste of time.

Why do we sleep?

So why do we sleep? This is a question that has baffled scientists for centuries and the answer is, no one is really sure. Some believe that sleep gives the body a chance to recuperate from the day's activities but in reality, the amount of energy saved by sleeping for even eight hours is miniscule - about 50 kCal, the same amount of energy in a piece of toast.