Does Alcohol Help You Sleep Better?
The short answer: No.
Here's why your nightcap is sabotaging your sleep.
The Truth About Alcohol and Sleep
Many Australians reach for a glass of wine to help them unwind at bedtime. Whilst alcohol does make you drowsy and helps you fall asleep faster,1 the quality of your sleep suffers dramatically throughout the night.
Think of alcohol as a sleep thief—it might help you drift off, but it steals the restorative rest your body actually needs.
What Alcohol Does to Your Sleep
It Disrupts Your Sleep Cycle
Alcohol significantly reduces REM (rapid eye movement) sleep—the stage crucial for memory, learning, and emotional processing.2,3 Even two standard drinks can delay and shorten your REM sleep, and the more you drink, the worse it gets.3
It Fragments Your Night
Alcohol creates a two-part problem: it may help you sleep in the first half of the night, but causes frequent awakenings and restless sleep in the second half.1 This is why you might fall asleep easily after drinking but wake up at 3am unable to get back to proper rest.
It Affects Your Breathing
Research shows alcohol increases snoring, reduces oxygen levels, and worsens sleep apnoea.1 Even if you don't have diagnosed breathing problems, alcohol makes them more likely.
The Long-Term Cost
A 36-year study of nearly 14,000 adults found that regular alcohol consumption predicts poor sleep quality later in life.4 The occasional drink might seem harmless, but over time, it increases your risk of chronic sleep problems.
Poor sleep doesn't just make you tired—it impairs memory and learning by up to 40%,5 weakens emotional regulation, and increases risks of obesity, heart disease, and other health problems.6
The Better Alternative
Instead of relying on alcohol, create an environment that supports your body's natural sleep mechanisms. The most powerful tool? Darkness.
- Optimal darkness signals your brain to produce melatonin naturally
- Consistent sleep environment helps establish healthy patterns
- No side effects unlike alcohol's disruptive impact
- Better quality rest means waking refreshed and energised
Studies show that blocking light with a quality sleep mask not only improves sleep duration but also boosts your body's natural melatonin production—the hormone that regulates healthy sleep.7
The Bottom Line
Alcohol might feel like it helps you sleep, but science proves otherwise. It disrupts your sleep architecture, fragments your rest, and undermines the restorative processes your body needs.
The Verdict
Skip the nightcap. Create the right sleep environment instead—starting with complete darkness.
Quality sleep comes from supporting your body's natural rhythms, not suppressing them. When you prioritise genuine rest, you'll wake up with more energy, think more clearly, and enjoy life more fully.
Sleep Solutions That Actually Work
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Sound Machines
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Shop NowScientific References
- National Institutes of Health. Sleep, Sleepiness, and Alcohol Use. Alcohol Research & Health.
- Sleep Medicine Reviews. (2024). The effect of alcohol on subsequent sleep in healthy adults: A systematic review and meta-analysis.
- Scientific Reports. (2025). Enhanced alcohol metabolism and sleep quality with continuous positive airway pressure following alcohol consumption.
- SLEEP Advances. (2022). Alcohol use and poor sleep quality: A longitudinal twin study across 36 years.
- Sleep Foundation. How Memory and Sleep Are Connected.
- Public Health Nutrition. (2020). Alcohol consumption and sleep quality: A community-based study.
- Critical Care. (2010). The impact of sleep masks on ICU patient sleep quality and melatonin production.