Everything You Need to Know About Sleep Supplements

Sleep issues are a major modern-day concern and a growing public health problem. Artificial light, screen time, stress, and work culture can all take a toll on sleep quality.

Although practising good sleep habits like keeping a consistent schedule, optimising your bedroom environment, and avoiding caffeine and screens late in the day can help you have a better night’s sleep, sometimes you may still need to reach for supplements.

What Are Sleep Supplements?

In short, supplements for sleeping are over-the-counter products taken to support sleep and relaxation. They can contain ingredients such as vitamins, minerals, herbal extracts, amino acids and other substances. Depending on their ingredients and claims, these sleep aids may be regulated as complementary medicines, foods or other therapeutic goods in Australia.

Many supplements for sleep are available through Australian pharmacies, health food shops and supermarkets as non-prescription medicines. However, that doesn’t mean they’re completely unregulated. Therapeutic goods must be entered on the Australian Register of Therapeutic Goods (ARTG) before sale.

What to Consider Before Taking One

Know What You’re Taking It For

Not every sleep product is intended to help with the same problem. A supplement aimed at helping you wind down may not be a great choice if your main problem is an irregular sleep schedule.

For instance, melatonin is a hormone that your body naturally produces. It tells your brain and body when it is time to sleep and wake up. If your sleep-wake cycle is out of sync, melatonin supplements for sleep can help signal to your body that it’s time to sleep. Taking melatonin sleep aids on a short-term basis can be useful if you’re experiencing insomnia, want to overcome jet lag, or are a night owl who needs to get to bed earlier and wake up earlier, such as for work or school.

If stress and racing thoughts are the problem, L-theanine (an amino acid present in green tea) can help anxious people fall asleep without causing daytime drowsiness. It doesn’t act as a sedative but can promote relaxation. On the other hand, magnesium supplements (whether taken on their own or combined with other ingredients) may be worth considering when your magnesium intake is inadequate. 

In short, different supplements may offer support for different aspects of sleep.

Quality and Testing

What’s on the label should match what’s in the product. As already mentioned, in Australia, many complementary medicines are listed on the Australian Register of Therapeutic Goods (ARTG) and carry an AUST L number. 

Look for an AUST number on the label and buy sleep supplements from reputable Australian pharmacies or retailers. An AUST L number indicates a listed medicine, while AUST L(A) products have had their therapeutic indications assessed by the TGA. Higher-risk registered medicines carry an AUST R number and undergo pre-market assessment of safety, quality and efficacy.

Since the TGA doesn’t regulate medicines sold directly from international websites, you want to be cautious with products bought from overseas websites. Recent testing of imported melatonin products found concerns with product quality and consistency, so buying from a reputable Australian supplier is the safer option. 

Check the Ingredients and Dosage

Reading the ingredient list is just as important as choosing the product itself. Check which active ingredients are included, how much each serving contains and how often the product is intended to be taken. 

Avoid assuming that taking more will produce better results. Higher doses can increase the chance of side effects without necessarily improving sleep. Also, it’s worth checking whether the product contains several ingredients rather than one. A long ingredient list can make it harder to know which ingredient is responsible for an effect or side effect.

Next, if you already take other medicines and supplements, check for potential interactions with a pharmacist or doctor before adding a sleep product. The TGA notes that complementary medicines can cause side effects and interact with other medicines.

Pay attention to the product’s directions and don’t exceed the recommended dose. If you’re considering a product for a child, are pregnant or breastfeeding, have an ongoing health condition, or take regular medication, professional advice is particularly important.

Keep Your Expectations Realistic

Supplements aren’t a guaranteed shortcut to a full night’s sleep. Their effects depend on the ingredient, dose and reason you’re having trouble sleeping, and some may offer only modest benefits. Melatonin, for example, may help with sleep timing or make it easier to fall asleep, but it isn’t a universal treatment for every type of insomnia.

Think of these products as potential support rather than a replacement for good sleep habits or treatment of an underlying problem. Keeping a regular sleep schedule, getting enough daytime activity, limiting caffeine later in the day and creating a comfortable bedroom environment can still matter.

If you often struggle to fall asleep, wake repeatedly during the night or feel exhausted during the day, it’s best to discuss the problem with a doctor or pharmacist instead of trying different products and relying on supplements indefinitely. You might have an underlying cause that a supplement won’t address.