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 resets the internal clock, which in turn synchronizes physiological and behavioural patterns known as our circadian rhythms. People who are visual impaired with no perception…

To view this content please login below or Sign up

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……

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……

Are you exercising hard enough?

A word of caution.If you have been inactive for a while, you may want to start with less strenuous activities such as walking or swimming at a comfortable pace. Beginning……

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……

Managing mental health with your lifestyle

A healthy lifestyle is paramount for the treatment and prevention of mood disorders. Healthy lifestyle includes a combination of healthy eating, regular exercise and reduced alcohol consumption. Lifestyle changes help……

Top 10 sleep tips

Poor sleep habits have often been reinforced over many years. The good news is that there are some common things you can do that will improve your sleep hygiene. Different……

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……

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……

What can you do to manage fatigue?

Taking action against fatigue happens in two forms: 1) the action you take when you experience fatigue; and 2) the action you take to prevent fatigue and therefore become more……

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……