An introduction to sleep

Sleep is common throughout the animal kingdom. We do know there is still a lot to be leaned about sleep, despite considerable research. All animals require sleep and no permanent non sleeping species exists. Even plants and bacteria have a regular period of rest and inactivity. Humans spend one-third of their lives sleeping. Far from…

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How does alcohol affect sleep

Alcohol is a depressant that slows the nervous system down. It impacts on the quality of the naturally occurring sleep cycles, and can increase sleep disturbance. Some people will say,……

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……

What factors increase the risk of a fatigue-related incident?

The following factors have been found to increase the risk of fatigue-related incidents (e.g. lane crossings) and accidents By planning your journey more carefully, you are more likely to stay……

Exercise and sleep

Regular exercise can considerably improve the quality and quantity of sleep, as well as, having other benefits to general health and wellbeing. Exercise improves sleep by improving the release and……

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……

Energy requirements & fatigue

Eating too much food will provide more energy than we need for metabolic and activity needs, leaving the extra energy stores as body fat (weight). The greater your body weight,……

Iron levels and fatigue

Iron is a mineral. It is necessary to make haemoglobin (an oxygen carrying molecule) in the blood. If iron is not eaten in adequate amounts in the diet; anaemia, tiredness……

Napping

Effective napping is a skill, which cannot be achieved by everyone. Napping cannot replace sleep, but can assist in times of sleep debt, extreme tiredness and/or when heightened alertness is……

Getting enough exercise

We’ve talked about all the benefits of physical activity, but how do we know your fitness is causing you to lack energy and feel fatigued? Ask yourself these questions: Do……

When will fatigue occur?

The time of day affects fatigue, due mainly to the body’s circadian rhythms. Circadian rhythms are natural body rhythms that are driven by the cycle of day and night. The……