Researchers at the University of Arizona found that those who kept a narrative journal after divorce lowered their heart rate.
Studies have indicated that journaling strengthens the T-lymphocytes in your immune system.
If you're an insomniac, diary writing could be your new-found saviour: psychologists recommend it for people who have trouble sleeping.
Journaling is a creative, private and therapeutic outlet for expressing emotions and it helps raise your emotional intelligence. If you can manage emotions in a positive way then you'll consequently increase your chance of success in the workplace. A 2015 study found 71 per cent of employers who were hiring valued emotional intelligence over IQ, and it's a trait that has been consistently found among successful leaders.
Putting pen to paper the old-fashioned way is likely to be less distracting than typing on a computer with constant notifications going off and the internet just a click away. Not to mention the fact your friends will thank you for it if you diarise as an outlet rather than clogging up everyone's newsfeed with yet another Facebook status.
Writing down your goals also means you're more likely to achieve them. Your reticular activating system flags relevant opportunities and tools for that goal to be achieved. The more detailed the goals are, the more likely to provide a psychological blueprint, and in turn the likelihood of achieving them increases.