Sleep medication
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 and fatigue will result. People at greatest risk are pregnant and menstruating women, vegetarians and athletes. If you think you may be low in blood……
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……
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 can work together with another important brain chemical called serotonin, to help promote a calming effect and sleepiness. Foods rich in protein, however, increase production……
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 will the potential for incidents, accidents and health problems. Hot weather, particularly when or working or being physically active, in the heat puts greater demands……
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 deprivation occurs when a person gets inadequate sleep for many days or weeks. Total sleep deprivation occurs when a person is kept awake for days……
How hard do I need to exercise to burn fat?
This is probably one of the most common questions people ask about exercise and weight loss; and the most poorly understood. The answer to this question comes down to the intensity and time you spend exercising. We burn two fuels simultaneously, carbohydrate and fat. However, the proportion of each that we burn varies depending on……
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 getting to sleep after a cigarette is likely due to the stimulatory effect of nicotine. Nicotine withdrawal during later sleep periods may also affect sleep……
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, “alcohol helps them sleep.” This is true to a point! But it is also counter-productive. The figure below illustrates how alcohol affects sleep (red line).……
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 of the trip. You may have suffered from fatigue amnesia. Amnesia, in simple terms, is the loss of memory. Fatigue amnesia is where a person……
What are the best methods to improve sleep quality during menopause?
Many women report disturbed sleep during perimenopause and menopause. This often includes difficulty falling or staying asleep and waking through the night or very early in the morning. There are many possible contributing factors during this period, including: To improve sleep during perimenopause and menopause, the contributing factors that are specific to you will need……