How much sleep do people need?
What are the signs of fatigue?
Fatigue is increased by:
What are the effects of fatigue and their relationship to work?
Insomnia
Prevent foot fatigue!
dim lighting, limited visual acuity , high temperatures, high noise, high comfort
Cannot fall asleep, or cannot stay asleep for a full night. They may frequently wake up during the night, wake up too early, not able to fall asleep at night, or have difficultly getting back to sleep if woken. Either way, they do not feel rested. Insomnia can be both short term (in response to a stressful event or change in environment) or long term.
Too much work!!!
Long work hours, long hours of physical or mental activity, insufficient break time between shifts, inadequate rest, excessive stress or a combination of these factors.
average studies say we need at least 7.5 to 8.5 hours everyday
tiredness, sleepiness, irritability, depression, giddiness.
