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 less alert during the evening. This is the primary reason it is difficult to stay awake at night and why we may struggle to sleep…

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Is it possible to have too much sleep each night?

It is still largely unknown how many exact hours of sleep per day are needed in adults, according to their age, their environmental and socio-cultural characteristics. It is generally cited……

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……

Fitness levels

REGULAR PHYSICAL ACTIVITY leads to improved physical and functional (i.e. real-life, every day activities) fitness which has a major impact on reducing fatigue. This is because increasing fitness enables our……

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……

What type of exercise should you do?

When you are planning activity you don’t have to choose one activity. Think outside the square. The only limit to Active Living is safety. There are three types of training……

Food quality & fatigue

You are what you repeatedly eat! The food that you eat provides the fuel for your body to do everything it needs to do, every second, of every single day.……

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……

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……

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……

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……