Fitness levels
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……
Exercise and physical activity. How to finding the balance
Active living is a way of life in which physical activity and exercise are valued and integrated into daily life in a fun and enjoyable way. In other words, seeing……
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,……
The impacts on circadian rhythm and melatonin production in visually impaired people
Light is captured through photoreceptors in the eyes which transmit this to the suprachiasmatic nucleus (SCN), or internal body clock, via a dedicated neural pathway. Each day the light-dark cycle……
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……
What are the signs and symptoms of fatigue?
Some of the key signs to look out for are listed below. Drowsiness is an impaired awareness associated with a desire to sleep and signs include:errors in familiar tasksrepeated yawningdifficulty……
Anxiety and fatigue
While the symptoms of anxiety disorders change with the specific diagnosis, the common theme is an overwhelming sense of worry and the associated lack of concentration, feeling tired and irritable.……
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……
Should burning fat kilojoules be my goal?
NO – burning energy whatever its source should be the major goal of exercise when trying to lose body fat. The reason is that 37,000 kilojoules of energy equals one……
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……