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How to Achieve Total Darkness in the Bedroom (and Why It Matters)

by LiveModern Webmaster last modified Oct 25, 2014 01:11 AM
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by Janet Hall last modified Oct 24, 2014

Afraid of the dark? It's time to overcome that fear. One of the secrets to a better night's sleep is a pitch-black setting. Here's why, plus a guide to making your bedroom a nighttime light-free zone. Above: A serene bedroom in a 200-year-old chalet remodeled by Zurich's Bergdorf Agency for Concepts and Communication . Learn about the bedside lights in  Design Sleuth: The Tolomeo Light Takes a Turn . How does darkness effect sleep? Darkness is the primary cue that tells our bodies it's time to slumber. Chief controller? The internal clock tucked in our hypothalmus that keeps us on a 24-hour wake/sleep schedule. Light triggers all kinds of internal chemical events, including the production of the sleep-inducing hormone melatonin. According to the National Sleep Foundation, "As evening approaches and the light in our environment dwindles, the hormone melatonin begins to rise and body temperature falls—both of which help us to become less alert and more likely to welcome sleep. With the help of morning light, melatonin levels are low, body temperature begins to rise, and other chemical shifts, such as an uptick in the activating hormone cortisol, occur to help us feel alert and ready for the day." Above: Shut out the light (and create a sleep cocoon) with a Curtained Bed . Photograph via Skona Hem . Does artificial light count? Our internal clocks aren't sensitive only to the rising and setting of the sun. Research shows that artificial light has a major impact on circadian rhythm—our body's natural 24-hour wake/sleep cycle—and the production of sleep hormones. The thinking part of our brain that differentiates fake light from natural light isn't able to pass that tip along to the hypothalamus. Scientists at Tulane University studied melatonin production and found that sleeping in rooms with even dim lights caused melatonin levels to drop, affecting not only the ability to fall asleep but also to stay asleep. "In total darkness," they note, "even if you can't sleep, your melatonin levels will increase normally." A study in the Journal of Clinical Endocrinology & Metabolism concludes that exposure to room light before bedtime "exerts a profound suppressive effect on melatonin levels and shortens the body's internal representation of night duration. Hence, chronically exposing oneself to electrical lighting in the late evening disrupts melatonin signaling and could therefore potentially impact sleep, thermoregulation, blood pressure, and glucose homeostasis." Convinced?  Above: A bedroom with a blackout roller blind and soothing dark wall. Photograph via Mrs. Jones  blog. How to achieve total darkness in the bedroom The first step is to survey your room for interior and exterior sources of artificial and natural light. You may be surprised. Keep a list and take action. Here are some ideas. 1. Dim the lights before bedtime. Above: Consider using low-wattage incandescent lamps at your bedside (and turn off overhead lights as you get ready for bed). The key is to wind down with lighting at a lower level than normal, signaling to your body that darkness is setting in. Learn about this bedside light in  Design Sleuth: Le Klint Wooden Accordion Lamp . Photograph via Kitka Design . 2. Eliminate electronics. Researchers have found that the circadian rhythm is especially sensitive to light with short wavelengths, in particular the blue light given off by electronics, such as computers and cell phones, and also by energy-efficient fluorescent bulbs. “Blue light preferentially alerts the brain, suppresses the melatonin, and shifts your body clock all at the same time. Your brain is more alert now and thinks it’s daytime because we have evolved to only see bright light during the day,” says Harvard sleep researcher Steven Lockely (via the  Chicag o Tribune ).  What to do with those annoying LED indicator lights on gadgets that can't leave your room (such as the wireless port plugged into an outlet in my own bedroom)? Discover LED dimming sheets; made by  LightDims  and others, these plastic dots and strips stick (without adhesive) on top of the indicator light to either black it out or dim it.  3. Avoid fluorescent lights in the bedroom.  Caught in a lightbulb conundrum? See our earlier post  The Great Lightbulb Debate .  4. Forget night lights. Even dim lighting can suppress melatonin production. If you need a light to guide you for middle-of-the-night peramubulations, consider a motion-activated night light.   Above: A motion-activated night-light. "Getting to the bathroom at night is important for some of us. Haven't we all staggered out of bed, one eye closed, the other cracked open just enough to find our way?" says lighting designer Thomas Paterson, founder of London- and Mexico City-based Lux Populi . "New technologies make it easy to hide a soft light under a bed, a table, or a skirting, softly lighting the floor—and then, thanks to a motion sensor directed away from the bed (so it doesn't turn on when you move in bed), you have soft light to find your way whenever you get up."  5. Ditch the digital clock. The first thing I do when entering a hotel room is unplug or hide the bedside digital clock. At home, consider the good old analog clock. (And if you need to check the time while it's still dark, consider a clock with an illumination button rather than one that stays lit all night long.) Above: An analog classic, the Big Ben Alarm Clock , originally designed in 1931, has a push-button back light for nighttime viewing; $39.95 at LL Bean. 6. Use blackout shades Light-blocking shades, blinds, and curtain liners used solo or in tandem keep street lights and car lights out of your bedroom. They also keep early morning light from waking you. It's best to have window coverings that block the light at night, but can be drawn to bathe the room in sunlight during the day.  Above: Window covering averse like me? I use simple blackout roller blinds that blend with white window frames—much like the ones shown here in designer  Jane Cumberbatch's London Home . Photograph via Light Locations .   Above: On a double roller blind, two rollers can accommodate two different fabrics, allowing sheer and blackout options: During the day, sheer blinds filter and diffuse the light coming in; at night, blackout blinds cloak the room in darkness. Photograph via Sunlight .  For all you need to know about roller blinds, see Christine's Remodeling 101: Simple Roller Blinds .  Above: Blackout Curtain Liner Fabric can be used as backing on drapes and fabric blinds.  Above: Consider solid-panel shutters, like the ones shown here in designer  Martin Raffone's Marrakech Escape  that shut out light and wind at night and fold open during the day. 7. Use an eye mask Above: Take a tip from Holly Golightly—to fully vanquish nighttime light, an eye mask may be the answer (and it's ideal for travel too). Consider the  Muji Eye Mask  ($7.50), which comes with its own pouch. Other sleep-inducing ideas? Get some sun during the day. Exposing your body to sunlight not only helps alert the brain to produce the activating hormone cortisol but also helps you sleep better at night because it keeps your circadian rhythm on schedule. Read: 10 Secrets for a Better Night's Sleep  from our wellness expert Jackie Ashton.  Does all this talk of sleep have you thinking about bedrooms? Get inspired by our posts: Serenity Now: A No-Drama Bedroom in Berkeley  (hint: two famous authors involved) Steal This Look: A Budget Bedroom in Brooklyn Editors' Picks: 10 Favorite Luxury Bed Linens Pillow Talk: 7 Secrets to Making a Perfect Bed More Stories from Remodelista 10 Favorites: Modern Chambersticks for Making Your Way in the Dark 10 Easy Pieces: Modern Wood Armoires 11 Clever Storage Ideas for the Closet






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