The impacts on circadian rhythm and melatonin production in visually impaired people
Sleep medication
Sleeping medication may be helpful to overcome short term needs or significant life events, such as grief or high stress events. Sleeping medication can be used to improve sleep quantity……
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……
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……
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……
Dreaming
There are many theories about dreams including how they occur and what they may mean, if anything. Dreams may not serve any purpose at all and may be merely a……
Meal type and fatigue
It is often promoted that foods high in carbohydrate make you drowsy because they increase the uptake of the amino acid tryptophan by the brain. Tryptophan is a chemical that……
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……
Hydration
Your body needs adequate fluid and electrolytes in order to have any chance of feeling energised. If these needs are not met, then physical and mental fatigue will increase, as……
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……
Why is fatigue a problem?
The consequences of fatigue are unpredictable. They can range in severity and should not be taken lightly. The simple act of falling asleep may result in something as harmless as……