2. Defenition
• Overfatigue is:
▫ long/irreversible reduction of work capability
resulting from fatigue accumulated in human
body under the influence of poor working
condition
3. Symptoms
• weakness
• lack of energy
• constantly tired or exhausted
• lack of motivation
• difficulty concentrating
• difficulty starting and completing tasks
• loss of consciousness (syncope),
• near-syncope
• rapid heartbeat (palpitations)
• dizziness or vertigo
4.
5. Prevention
• Work Rhythm
▫ Know your work rhythm well
▫ Are you the kind of person who likes something
steady or predictable?
▫ Or do prefer seasonal work, where you’re very
busy for a while and then have lots of holiday time
following?
6. • Rational rest
▫ Have enough rest after working hour
▫ Sleep well on a comfortable bed
7. • Work regime
▫ develop a working-hours policy on daily work
hours, maximum average weekly hours, total
hours over a three-month period and work-related
travel
▫ eliminate or reduce the need to work extended
hours or overtime
8. ▫ design working hours to allow for good quality
sleep and enough recovery time
▫ eliminate or reduce the need to work long shifts
for more than three consecutive days
▫ schedule work for hours when the risks may be
lower – for example, complex and safety-critical
tasks are best undertaken during normal day
shifts when workers are less likely to be fatigued.
9. • Organization of workplace, orgonomics
▫ avoid working during periods of extreme
temperature
▫ install heating devices in cold work environments
▫ install cooling devices and/or provide access to
cooled areas in hot work environments
▫ provide shelter in hot work environments
10. ▫ install ventilation and mechanical cooling devices
in hot, confined work environments such as truck
cabins
▫ provide adequate facilities for rest, sleep, meal
breaks, onsite accommodation (if appropriate)
and other essential requirements, such as
bathroom facilities
▫ install adjustable, vibration-free seats in
appropriate machinery and vehicles
▫ ensure the workplace and surroundings are well
lit, safe and secure.
11.
12. • Functional music
▫ Listen to something that can sooth your feeling
▫ Listen to calm music
▫ Music does affect our mood
13. • Aestheticism of working environment
▫ Comfortable chair, desk
▫ Good lighting
▫ Good colour
▫ Plants
