Food quality and quantity

The quality and quantity of food you choose can make a huge difference to body weight. The difference between the two diets on the right is 5700kJ. Someone that eats 5700kJ more than another person will weigh 56 kilograms heavier or would have to walk 5 hours each day to burn this amount of energy…

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When should I sleep?

Our levels of alertness and attention are influenced by our circadian rhythms, as shown in the figure below. Circadian rhythms allow us to feel more alert during the day and……

Who is responsible for your fatigue?

Fatigue affects everyone, at some time or another!…making US ALL responsible! When someone is fatigued, who is the first person to experience the effects? That’s right…you are! You will experience……

Are you exercising hard enough?

A word of caution.If you have been inactive for a while, you may want to start with less strenuous activities such as walking or swimming at a comfortable pace. Beginning……

What is fatigue amnesia?

Have you ever driven into your driveway at home and on arrival thought to yourself, How did I get here? I cannot recall the trip home or the last part……

Optimising sleep for night shift

In a 2018 article in the British Medical Journal (BMJ 2018;360:j5637 doi: 10.1136/bmj.j5637 [Published 1 March 2018]) the topic of optimsing sleep for night shift was covered with the aim……

How much sleep do you need?

The amount of sleep that people require varies between individuals depending on many factors. Age is a major determinant of the quantity of sleep. The table below provides a general……

Is shift work detrimental to health?

There is a body of evidence that supports the statement that shift work can detrimentally impact on health, as well as, other factors that impact on human wellbeing and safety……

What is fatigue?

Fatigue is not a condition, but rather a symptom of many different situations, illnesses or conditions and can be defined quite simply as a feeling of weariness, tiredness, or lack……

Sleep debt

Sleep debt is the cumulative effect of not getting enough sleep. Two kinds of sleep debt have been proposed: 1) partial sleep deprivation; or 2) total sleep deprivation. Partial sleep……

Mood and sleep

It’s no surprise that sleep, or a lack of sleep, affects our mood. One sleepless night will cause most people to be more irritable, short-tempered and stressed. After a good……