Do Blackout Curtains Help With Sleep?
Do you feel like there is too much light in your bedroom at night or in the morning? Too much light in your bedroom could be severely interfering with your sleep. Here’s how blackout curtains can help.
Why does light affect your sleep?
Light is one of the key signals for your circadian rhythm. Your circadian rhythm is essentially your master ‘body clock’ that takes its cues from your general sleeping patterns, light exposure and temperature. This body clock starts facilitating the release of the sleep hormone melatonin about 2 hours before ‘bedtime’.
So, reducing your exposure to light at night time may help signal to your body that it’s time for bed and help you achieve a deeper sleep. This means you should be avoiding exposure to sunlight, reducing your screen time, and dimming the lights or lamps in your bedroom. Unless you live deeply rural, you will also need to find ways to reduce light from cars, streetlights and other homes entering your bedroom. That’s where blackout curtains come in.
What are blackout curtains?
Blackout curtain or lining fabric is made from dense, tightly woven materials that do not allow light through. Because the material is dense, blackout fabrics also have great insulation and noise-cancelling properties.
How blackout curtains help you get a better night’s sleep
When installed correctly, blackout curtains (or blackout curtain lining) almost completely stop external light entering your bedroom, and so contribute to an environment that allows a deeper sleep. They need to full cover the window frame for the blackout effect to work properly, so light doesn’t come through the sides. Blackout fabrics will also help reduce your energy bill and make it easier for you to control the temperature in your bedroom – another crucial factor for your circadian rhythm.
Blackout curtains will drastically improve sleep for night shift workers
If your job or lifestyle mean you need to get your rest during daylight hours, blackout curtains are a fantastic way to reduce light exposure and ‘trick’ your circadian rhythm into producing melatonin.
If you would like to add a blackout lining to your current curtains or book your curtains or blinds in for a maintenance clean, contact the team at Curtain Clean on 0800 579 0501.
Time to Tickle Your Thinker 🧠
If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?
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Poll: As a customer, what do you think about automation?
The Press investigates the growing reliance on your unpaid labour.
Automation (or the “unpaid shift”) is often described as efficient ... but it tends to benefit employers more than consumers.
We want to know: What do you think about automation?
Are you for, or against?
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9.5% For. Self-service is less frustrating and convenient.
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43.4% I want to be able to choose.
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47.1% Against. I want to deal with people.
Have you got New Zealand's best shed? Show us and win!
Once again, Resene and NZ Gardener are on the hunt for New Zealand’s best shed! Send in the photos and the stories behind your man caves, she sheds, clever upcycled spaces, potty potting sheds and colourful chicken coops. The Resene Shed of the Year 2026 winner receives $1000 Resene ColorShop voucher, a $908 large Vegepod Starter Pack and a one-year subscription to NZ Gardener. To enter, tell us in writing (no more than 500 words) why your garden shed is New Zealand’s best, and send up to five high-quality photos by email to mailbox@nzgardener.co.nz. Entries close February 23, 2026.
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