In 2016, the Melbourne Institute Worker Paper published a study in which experts found that the people over 40-years-old can improve their working performances to the maximum if they work three days a week.
This study analyzed the work habits of 3,500 men and 3,000 women through a series of cognitive tests, such as:
– Matching numbers and letters under time pressure,
– Reciting lists of numbers backward and
– Reading Aloud.
Researchers analyzed the factors like:
– Family structures,
– Life quality,
– Employment and
– Economic well-being
The results showed that the people who worked an average of 25 hours per week performed their work best.
Generally, all cognitive performances are increasing until people hit the 25-hour time of working, and then the scores on the cognitive tests started dropping significantly, due to stress and fatigue.
According to the researchers both males and females started losing their cognitive ability when the working hours cross that point.
Where is the change from being positive to negative?
This study highlights that too much work can have adverse effects on cognitive functioning. They used the test scores of memory span and cerebral dysfunction for the respondents. The results showed that a positive impact on cognition has:
– 25–30 working hours per week for males
– 22–27 working hours for females
The professor of economics at Keio University, Colin McKenzie said many countries are going to raise their retirement ages by delaying the age of receiving pension benefits. According to that, more people continue to work in the later stages of their life.
He emphasized that a degree of intellectual stimulation may depend on working hours, but that can be a double-edged sword. Along with stimulating brain activities, certain types of tasks and long working hours can cause fatigue and stress. These conditions potentially damage cognitive functions.
According to Professor Colin, differences in working hours are important for the people in middle-aged and elderly adults, so for them is best to work part-time. These working hours could be effective in maintaining cognitive ability.
In addition, according to Geraint Johnes, an economics professor at Lancaster University Management School, cognitive functioning improves up to the point at which workers work 25 hours a week and declines thereafter. He found that the decline is very marginal as working hours rise to 35 hours per week, but beyond 40 hours per week, the decline is much more rapid.
The people who are not careful, you can overdo it and get obsessed by work, and it will be at the cost of the body and brain.
Here are you numerous problems in life, if people do not slow down, such as:
1) Develop depression
2) Turn to alcohol or drugs in order to relax
3) Experience fatigue and lack sleep
4) Experience body pains and sore eyes
5) Stop being productive
6) The relationships with your friends and family can start falling apart
Because of that France made it illegal to email employees after working hours.
In order to protect our physical and mental health, finding the work-life balance and change the length of the modern workweek is strongly recommended by numerous scientists, which are the experts in this area.