Over-the-Counter Sleep Aids: What Shift Workers in Brampton Should Know

It is ten in the morning. You have just finished a night shift at a Brampton distribution centre, hospital or plant. The blinds are drawn, your phone is on silent, and you are exhausted. Yet sleep will not come, or it comes in short, broken pieces. After a few weeks of this, the shelf of sleep products at the pharmacy starts to look very appealing.

Non-prescription sleep aids are easy to find and buy. Some contain antihistamines, others contain melatonin, and many natural health products combine herbs and other ingredients marketed for relaxation and sleep. For some people, in some situations, they may be helpful for a short time. But they are not risk-free, and shift workers face particular concerns: drowsiness that lingers into the next shift, impaired driving, interactions with other medications and the risk of relying on a product rather than addressing the underlying sleep problem.

At Pharmasave BramCity, 14 Lisa Street, pharmacists are regularly asked which sleep product is “best.” The honest answer is that it depends on you. This article explains the main types and the questions to ask before trying one. It is not a recommendation to use any particular product.

Why shift workers struggle to sleep

Night and rotating shift work asks the body to sleep when its internal clock expects to be awake. Daylight, household noise, family responsibilities and caffeine consumed during the shift all make daytime sleep harder. Many shift workers sleep less and less deeply than day workers, which can affect mood, concentration and safety.

Before considering any sleep product, it is worth looking at these factors. Darkening the bedroom, using earplugs or white noise, limiting caffeine in the second half of the shift, wearing sunglasses on the way home and keeping a consistent pre-sleep routine are all strategies that help many people. A sleep aid is unlikely to work well if the environment and routine are working against you.

Antihistamine-based sleep aids

Many non-prescription sleep aids in Canada contain older, sedating antihistamines. These medications were originally used for allergies, and their drowsy side effect is used to promote sleep. They are also found in some “nighttime” cold and pain relief products.

Important cautions include:

• Next-day drowsiness: effects can last into the following hours, which matters if you drive or operate equipment
• Anticholinergic side effects: dry mouth, constipation, blurred vision, difficulty urinating and confusion, particularly in older adults
• Tolerance: the sleep-promoting effect may lessen after a few nights of use
• Interactions: combining them with alcohol, cannabis, other sedating medications or other antihistamines can increase drowsiness
• Health conditions: they may not be suitable for people with certain conditions, including glaucoma, enlarged prostate, some breathing problems, or during pregnancy

These products are generally intended for occasional, short-term use. Follow the label and ask a pharmacist whether they are appropriate for you.

Melatonin

Melatonin is a hormone the body produces in the evening to help signal that it is time to sleep. In Canada, melatonin products are sold as natural health products. Some people use melatonin to help shift their sleep timing, for example for jet lag or certain types of shift work.

Melatonin’s role is more about timing than about sedation, and how well it works varies between people. Timing of a dose relative to your sleep is important, which can be complicated on a rotating schedule. Side effects can include headache, dizziness, daytime sleepiness and vivid dreams. Melatonin may interact with some medications, including blood thinners, some medications for seizures, blood pressure, diabetes and others that affect the immune system. It is not recommended for everyone, including during pregnancy and breastfeeding, without professional advice.

If you are considering melatonin, talk with the pharmacist about whether it suits your situation, how to time it with your schedule and what to watch for.

Herbal and other natural products

Many natural health products are marketed for sleep or relaxation, including valerian, chamomile, passionflower, lemon balm, magnesium and various combinations. Evidence for their effectiveness varies, and quality can differ between products.

“Natural” does not mean harmless. Some herbal products can cause drowsiness, interact with prescription medications or affect the liver. Look for a Natural Product Number (NPN) on the label, which indicates the product has been licensed by Health Canada, and bring the product to your pharmacist to check for interactions before using it.

The special risk of drowsy driving after a shift

For shift workers, one of the biggest concerns with sleep aids is the timing between taking a product and the next time you need to be alert. If you take a sleep aid after a night shift and need to drive to work that evening, you need to be confident the effects have worn off. Some people feel groggy for longer than they expect.

Never drive or operate machinery if you feel drowsy. If you are considering a sleep aid, plan the timing carefully with the pharmacist, and consider trying it for the first time on a day when you do not need to work or drive afterwards.

Interactions to check before you buy

Sleep aids can interact with many other medications and substances. Be sure to tell the pharmacist about:

• Prescription medications, especially those for mood, anxiety, pain, seizures, allergies or blood pressure
• Other non-prescription products, including cold, allergy and pain relievers that may contain antihistamines
• Natural health products and supplements
• Alcohol and cannabis use

If you take several medications, a medication review can help sort out what is safe to combine. Ask the pharmacy whether you are eligible for a funded review.

Signs a sleep problem needs medical attention

Occasional difficulty sleeping after a shift is common. But some signs suggest you should see a doctor rather than self-treat:

• Trouble sleeping most days for more than a few weeks
• Feeling very sleepy at work or nodding off while driving
• Loud snoring, gasping or pauses in breathing noticed by others
• Restless, uncomfortable legs that make it hard to fall asleep
• Low mood, anxiety or loss of interest in things you enjoy
• Needing a sleep aid every day to sleep at all

Conditions such as sleep apnea, depression, anxiety and shift work sleep disorder can be diagnosed and treated. Your doctor may also suggest cognitive behavioural therapy for insomnia, which is considered an effective non-medication approach for long-standing sleep problems.

Using sleep aids responsibly if you choose to

If, after talking with a pharmacist, you decide to try a sleep aid, a few principles can help:

• Use it for occasional nights rather than every day, unless advised otherwise
• Follow the label directions exactly
• Do not combine it with alcohol, cannabis or other sedating products
• Keep track of how it affects your sleep and how you feel when you wake
• Plan enough time for sleep so you are not waking while the product is still having an effect
• Stop and seek advice if you notice side effects or find you need it more and more

Keep sleep products stored safely away from children and other family members.

Sleep products in a shared household

In many Brampton homes, several generations live under one roof, and the medicine cabinet is shared. A sleep aid bought by one person can easily end up being tried by someone else: a grandparent who cannot sleep, a teenager with exams or a partner with a sore back. That is a real concern. Sedating antihistamines can cause confusion, unsteadiness and falls in older adults, and products that suit one adult may interact with another family member’s medications.

Keep sleep products in their original packaging, clearly labelled with who they are for, and stored out of reach of children. Make it a household rule that nobody uses another person’s sleep product without checking with a pharmacist first. If an older relative is struggling with sleep, encourage them to talk to their own doctor or pharmacist rather than borrowing something from the cupboard.

Building a better sleep foundation

Over the long term, the most reliable improvements in shift-work sleep usually come from changes in environment, routine and schedule rather than from a product. Protect a consistent sleep window, make your bedroom dark and quiet, manage caffeine timing and talk with your family about your sleep needs. If possible, discuss shift patterns with your employer; some rotations are easier on sleep than others.

Keeping your regular medications on track also supports health during demanding schedules. Our prescription refill service can help you avoid running out during a busy rotation.

Talk with a BramCity pharmacist before you try a sleep product

If daytime sleep after shifts is a struggle, our pharmacists can help you look at your options, check for interactions and decide whether to see a doctor. A quick conversation can save you from a product that is not right for you.

Visit 14 Lisa Street, Brampton, ON L6T 4W2, or call (905) 460-0330. See our contact page for store information, or book a private consultation if you would prefer a quieter setting.

Bring your shift schedule and any sleep products you are considering. We will go through them with you.

This article provides general information and is not a recommendation to use any sleep product. Speak with your pharmacist or doctor before starting a sleep aid, especially if you take other medications, drive or work in a safety-sensitive role.