How to Block Light from Windows for Better Sleep

Sunlight has its benefits, like boosting vitamin D and enhancing mood, but sometimes you need to control the light streaming through your windows.

Whether it’s to improve sleep during the day or create a more comfortable home environment, finding ways to block light can be crucial.

Are you struggling with too much light in your home, disrupting your sleep or work? You’re not alone. Many of us, especially those who work night shifts or have irregular sleeping patterns, face the challenge of excessive daylight in our rooms.

Discover practical and efficient methods to block light from windows, perfectly suited for your modern, busy lifestyle.

Let’s explore how to block light from windows and create that ideal balance of light and darkness in your home, starting with innovative solutions that don’t involve curtains.

Best Ways to Block Light from Window Without Curtains

Let’s explore some of the 6 best ways to block light from windows without curtains.

Install an Awning

Install an Awning

Awnings are not only stylish but also practical for blocking light. Perfect for those who appreciate both elegance and functionality, awnings offer an excellent solution to reduce sunlight entering through windows.

Key Features of Awnings

  • Style Meets Function: Awnings add a sophisticated touch to your home while efficiently blocking unwanted light.
  • Material Matters: Choose from materials like polyester, cotton, canvas, or acrylic based on your climate. For instance, vinyl awnings are ideal for humid areas, while polyester offers durability in all weather conditions.
  • Design Choices: With a variety of designs and colors, awnings can complement your home’s aesthetic. From sleek aluminum to vibrant canvas options, there’s an awning for every style.

Before purchasing an awning, consider your local weather conditions and the desired look for your home.

For a seamless online purchase, check out this highly recommended awning:

VIVOHOME Polycarbonate Window Door Awning Canopy Brown with Black Bracket 40 Inch x 40 Inch
  • DURABLE DESIGN - VIVOHOME window door awning is made of durable polycarbonate panel, ABS bracket and...
  • SUBTLE AND INVITING - Creates an inviting entrance for your home or business while protecting you...
  • MODERN LOOK - Neutral in color, these awnings match nearly any home or outdoor decor; The durable...
  • EASY CONSTRUCTION - The package includes all installation hardware and wall-mounting hardware...

Put Up A Mesh Liner

Put Up A Mesh Liner

Mesh liners are an innovative way to block light and protect your home from insects. They offer a multifunctional solution for those seeking more than just light control.

Benefits of Mesh Liners

  • Dual Functionality: Not only do they block light effectively, but they also keep insects at bay.
  • Material Options: Choose from materials like plastic, iron, aluminum, or copper, each offering unique benefits. Aluminum is especially effective in hot climates for blocking both light and heat.
  • Energy Efficiency: Mesh liners can help reduce cooling costs by lessening the heat entering through windows.

Consider the climate and your specific needs when selecting a mesh liner.

For a high-quality option, take a look at this recommended product:

Flyzzz DIY Self-Adhesive Window Screen Netting Mesh Curtain, 100X150cm (Approach 39.37x59.05...
  • Size: 100x150cm (About 39.37x59.02 Inches),Can be easily cut down to size and fitted to multiple...
  • Transparent Screen Mesh with Hexagon Hole, Made of 100% Polyester. Easy to fit and remove. Leave...
  • With self-adhesive sticky tape on the back of the frame. The soft net fabric sticks to the barbed...
  • Fantastic Replacment Window Screen, the diameter of the holes very tiny, small. Super Transparent,...

Black-Out Shades

Black-Out Shades

Blackout shades are a stylish and effective solution for those looking to completely block light from their windows. They are ideal for creating a dark and restful environment in any room.

Advantages of Blackout Shades

  • Effective Light Blocking: These shades offer unmatched efficiency in preventing light entry.
  • Aesthetic Appeal: Blackout shades aren’t just functional; they also add a sleek, modern look to your space.
  • Energy Savings: In addition to light control, they help maintain cooler room temperatures in the summer, reducing reliance on air conditioning.

For an excellent blackout shade option that combines style and functionality, consider this product:

Redi Shade No Tools Original Blackout Pleated Paper Shade Black, 36 in x 72 in, 6 Pack
  • Trim at Home: Prep your surface, and then trim at home for the perfect fit inside or outside your...
  • Light Control: Block 99% of light for complete privacy, light control and UV protection for...
  • Always Cordless: No cords for a clean look and child safety — use included clips to raise and...
  • Durable Paper: Made of durable paper that will not crack from sun exposure; designed in USA

Window Tint Treatment

Window Tint Treatment

For those seeking a simple yet effective way to achieve complete darkness, window tint treatment is a superior choice. It’s perfect for ensuring a deep, uninterrupted sleep by blocking out light efficiently.

Key Features of Window Tint Treatment:

  • Ease of Use: Unlike traditional curtains or makeshift solutions, window tint is straightforward to apply and remove.
  • Total Darkness and Privacy: This thin film covers the entire windowpane, offering complete darkness and privacy.
  • UV Protection and Temperature Control: Besides blocking light, it also shields from harmful UV rays and helps maintain a comfortable room temperature.

Its cordless design ensures safety and a clean, uncluttered look, and the dual-color scheme provides added insulation and UV protection.

Consider this stylish and modern window tint for both aesthetic appeal and functionality:

HIDBEA One Way Window Film Non-Adhesive, Daytime Privacy Reflective Mirror Window Tint for Home,...
  • ADVANCED UV BLOCKING PROTECTION – This anti-glare window film is designed to block out harmful UV...
  • STATIC CLING APPLICATION – This advanced window tint film uses static cling to easily attach to...
  • DAYTIME PRIVACY PROTECTION – Applying our mirror window film to your windows keeps prying eyes...
  • MULTIPURPOSE HOME OR OFFICE USE– HIDBEA one way privacy window film can be used in living rooms,...

Applying Aluminum or Cardboard

Applying Aluminum or Cardboard

For a budget-friendly approach to block light from windows, consider using aluminum foil or cardboard. These materials are readily available and easy to use, offering a quick fix to light issues.

Advantages of Aluminum and Cardboard:

  • Utility Savings: Aluminum foil reflects sunlight, keeping rooms cooler and reducing energy costs.
  • Flexibility: Easily moldable to fit any window size, aluminum foil, and cardboard offer a customizable light-blocking solution.
  • Simple Application: Secure them with tape for a stable and effective light blockage.

Recommended products for a straightforward DIY approach:

Reynolds Wrap Aluminum Foil, 200 Square Feet
  • 200 SQUARE FOOT ALUMINUM ROLL: This package contains 1 Reynolds wrap aluminum foil roll measuring...
  • ALUMINUM FOIL: Backed by over 70 years of quality & strength, home cooks of all kinds trust Reynolds...
  • LOCKS IN FLAVOR: Use this versatile kitchen foil to cook packet meals, tent roasted meats, cover...
  • BUILT-IN EASY TEAR EDGE: Get the right size piece of baking foil every time with the easy tear edge,...
KARRES Corrugated Cardboard Sheets 12x12 Inches Brown Kraft Paper Inserts for Packing, Mailing,...
  • Crafting Ideas - Use as a photo backing, picture frame or welcome sign! Perfect for crafts that...
  • For Mailing or Packing - Perfect to add extra protection when shipping. Use the sheets for extra...
  • Material: B-Flute Corrugated Cardboard (1/8" thick).
  • Dimensions: Each piece of cardboard measures 12"x12" square size. Perfect for DIY crafting ideas.

Enhance Existing Curtains with a Curtain Liner

Enhance Existing Curtains with a Curtain Liner

If you already have curtains but need more light blockage, adding a curtain liner is an efficient solution.

Key Benefits of Curtain Liners:

  • Enhanced Light Absorption: Made from denser fabrics, curtain liners significantly reduce incoming light.
  • Versatility in Fabric Choices: Choose from materials like polyester for durability and thermal regulation.
  • Energy Efficiency: Many liners come with thermal technology, balancing room temperature and reducing energy costs.

For a top-quality curtain liner that complements your existing curtains, check out this product:

KGORGE Blackout Curtain Liners - Hang with Rod Pocket/Hooks, Curtain Liners for 63-inch Long...
  • EFFECTIVE BLACKOUT: 2 panels per package, W27 x L60 each. The thick triple weaved fabric can enhance...
  • ENERGY SAVING: Using the eco-friendly triple weaved fabric, formaldehyde-free, Azo-free, no odor,...
  • HANGING OPTION: Each pair of the liners bonus hooks, which is super easy to install behind existing...
  • HOME DECORATION: KGORGE Blackout curtain liners can hiding perfectly, enhance the blackout function...


So, you want to keep your room dark? We’ve looked at some simple ideas that can really help. Whether you need to sleep during the day or just want your room a bit darker, these tips are easy to try.

You can hang an awning outside your window, use special mesh liners, or put up blackout shades. If you’re looking for something simple and cheap, try sticking aluminum foil or cardboard on your windows. Or, if you’ve already got curtains, just add a curtain liner behind them to block more light.

These ideas aren’t hard to do, and you don’t need to spend a lot of money. Just pick the one that sounds best for your room and give it a try.

You might be surprised at how much better your room feels when you can control how much light comes in.

Sana Ahmed

Sana Ahmed, an alumnus of the Rhode Island School of Design with a degree in Interior Architecture, has been influential in design writing since 2014. Joining our editorial team as a freelancer in 2021, Sana combines technical knowledge and aesthetic sensibility. Sana's approach to writing combines practicality with a flair for contemporary trends. Her experience includes working with renowned design firms and participating in international design workshops. Sana advocates for sustainable living and enjoys creating upcycled art in her free time.

Leave a Comment