Sleep debt
How does caffeine affect sleep
Caffeine stimulates the central nervous system and can artificially stimulate your senses, which makes you more alert. Peak alertness levels are generally reached 30-60 minutes after consumption. If too much……
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……
Avoiding injury when exercising
Regardless of your exercise choice, one truth applies to everyone: preparation can prevent injury. Many common exercise injuries stem from overlooking two basics: warm-up and stretching. Warm-up: The idea of……
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……
Smoking and sleep
Nicotine can hamper a person’s ability to fall asleep or get good quality sleep. Studies have shown that the average smoker gets 30 minutes less sleep compared to non-smokers. Trouble……
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……
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……
Sleep & physical activity
Do I exercise or just have a sleep? It is not uncommon for people experiencing fatigue to put this down to lack of sleep, when in actual fact there are……
Sleep Disorders
It is estimated that 6% of the population suffer from sleep disorders. Sleep disorders may make some health conditions worse such as, heartburn, depression, asthma and heart disease. Sleep disorders……
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……