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Wednesday, May 29, 2024

Insomnia and How to Improve Your Sleep

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Black retro vintage alarm watch clock on a wooden bedside table with reflection in a polished surface in the rays of the setting sun with hard shadows

In Australia, around one in three people have difficulty in either getting to sleep or staying asleep. That’s a lot of sleepless nights! If you are one of the millions who have trouble sleeping, you know how disruptive it can be. Poor sleep not only makes you feel unwell in the short term, but it may also have a major impact on your long-term health, including increasing the risk for several chronic diseases.


Acute versus chronic insomnia

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Insomnia can be defined as either acute or chronic. Acute—also known as short-term—insomnia can last up to three weeks. Insomnia is considered chronic when there is trouble sleeping at least three nights a week for one month or longer.


Sleep apnea

Portrait of one tired woman snoring in bed
A possible cause of insomnia, sleep apnea causes a person to briefly stop breathing while they sleep. Many people with this disorder do not even know they have it but will suffer daytime symptoms such as major fatigue, headaches and problems concentrating. Someone sleeping next to them may notice that the person snores, seems to stop breathing now and then or makes choking or gasping sounds several times throughout the night.

Sleep apnea can lead to serious health problems, discussed more below. The condition is more common in those who are overweight and is about twice as likely in men as in women.


Other causes

Tired woman lying in bed can\'t sleep late at night with insomnia. Asian girl with funny face sick or sad depressed sleeping at home.
The list of potential causes of insomnia is very long and includes both emotional and physical triggers. Some of the most common causes include

  • pain
  • stress (related to work, family or life)
  • anxiety
  • depression
  • illness
  • side effects of medication
  • hormone imbalances (particularly for women)
  • poor sleep habits (such as frequently changing bedtimes or shift work)

Other people suffer from insomnia for unknown reasons, which are generally more challenging to treat.


Bad sleep can lead to weight gain

Insomnia in middle-aged women. An Asian woman tries to sleep but she cannot sleep because she has anxiety and stress from work. This symptom should be seen by a doctor for treatment.
We all know that a poor night’s sleep can make us feel tired, grumpy and generally unwell the next day. But research is increasingly linking chronic sleep problems to a number of other health issues.

Those sleeping fewer than five hours each night have been shown to have a higher average body mass index than those sleeping an average of seven to eight hours, with obesity risk being between 2.3 (women) and 3.7 (men) times higher. In children, inadequate sleep has been consistently linked to weight gain.



Depressed woman awake in the night, she is exhausted and suffering from insomnia
With lack of sleep linked to weight gain and excess weight a risk factor for diabetes, it is not surprising that poor sleep has been linked to a greater risk of diabetes. Poor sleep can challenge the body’s ability to metabolise sugar, increasing insulin resistance and leading to climbing blood sugar levels.

Researchers have found that chronic sleep loss prompts a decrease in insulin sensitivity, as well as an increase in ghrelin, a hormone that stimulates the appetite. The result is greater hunger, along with an inability for the body to manage the extra carbohydrates. In one study, teenagers who were sleeping an average of less than eight hours a night consumed more fats and carbohydrates and were more than twice as likely to consume extra snacks as those who managed at least eight hours of sleep per night.



Depressed middle-aged man sitting on couch in living room, leaning on his hands, having financial troubles during quarantine or suffering from loneliness, copy space, home interior
A review of 21 studies about sleep and mood found that nondepressed people who suffered from insomnia had twice the risk of developing depression compared to those without sleep problems. Sleep—or the lack thereof—appears to have a measurable impact on the brain’s ability to function normally. Researchers have shown that sleep deprivation affects the brain on more than one level, leading to an overall reduction in cognitive function.


Heart health

Man Asleep In Bed Wearing Smart Watch As Sun Breaks Through Curtains
Chronic sleep problems can be bad for your heart. This is particularly the case for those with sleep apnoea. The frequent pauses in breathing in sleep apnoea cause drops in oxygen levels, which put a strain on the cardiovascular system and increase blood pressure. Sleep apnoea has also been associated with an increased risk of stroke, arrhythmia (improper heart rhythm) and other cardiovascular concerns.


What to do?

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The first step in treating insomnia is to assess the underlying cause(s). Your health care practitioner can work with you to look for common issues such as sleep apnoea, hormone imbalances or medication side effects. You may also be referred to a special sleep clinic for a more in-depth investigation.

Once causes have been determined, an appropriate treatment plan can be put together. Part of this plan can include nondrug options such as counselling and supplements.

Stress management and counselling
Stress and poor sleep habits can be a major cause of sleep disturbances for many people. A counsellor can be a great addition to your team if these are the major underlying causes of your sleep problems.


Supplements like valerian

Valerian herb root and flowers with dropper bottle  and mortar with pestle over oak background. Used as an alternative to valium in natural medicine.
There are many natural health products on the market that are promoted for sleep. Not all of these are appropriate for every case. Always consult your health care practitioner to help determine what products may be best for you.

This age-old herbal sleep remedy has some clinical trial evidence to support its use. If you are a postmenopausal woman with trouble sleeping, then you may want to give valerian a try: four weeks of valerian extract improved sleep quality in 30 per cent of women treated.

Adding a little hops to your valerian might be worth considering as well. Hops is perhaps best known for its use in beer, but it has also been used for centuries as part of herbal sleep medicines. The combination of valerian and hops has shown some positive results in at least one clinical trial.

Too many nights spent tossing and turning could not only be making you tired, but it may also be bad for your health in the long term. Talk to your health care practitioner about options available to help get you back to a better sleep.


L-theanine: A lesser-known supplement for sleep

White gingsen herbal medicine capsules pill in wooden spoon isolated on wood table background.
This amino acid is also worth considering for some cases of insomnia. L-theanine has a calming effect on the mind, which can make it especially helpful for those whose busy brains keep them from falling asleep. If you find it hard to unwind because you are anxious, restless or constantly thinking, L-theanine could be worth a try.

Initial research has shown that L-theanine promotes relaxation of the mind without causing drowsiness and may have stress-reducing effects. In a 2011 study, L-theanine supplementation was even found to be helpful for improving sleep quality in children over the age of eight who have attention deficit hyperactivity disorder (ADHD).

Dosages are usually in the 200 to 400 mg range. L-theanine is also one of very few sleep aids that can be taken if you find yourself waking up too early, as it will not leave you feeling groggy the next morning.


Improving sleep success: getting ready for bed

Black retro vintage alarm watch clock on a wooden bedside table with reflection in a polished surface in the rays of the setting sun with hard shadows

  • Maintain a consistent sleep schedule: try to get to bed at about the same time on most nights.
  • Avoid caffeine, large meals, sugary snacks or other potentially sleep-disrupting food and drinks before bedtime.
  • Schedule in some time to unwind before bed: relaxing, reading, meditating or similar activities can help you de-stress after a long day.
  • Exercise: regular exercise can help release stress and calm restlessness.
  • Use sleep accessories: hot baths, lavender essential oil, calming music, your favourite slippers—whatever it is that gets you in the mood for sleep, include it as part of your regular bedtime ritual.
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