Christmas Bedroom Decor That Still Lets You Sleep

The short answer: a Christmas bedroom can be as festive as you like until you turn out the light, then it should be dark, cool and flame-free. Lights off when you sleep: one night in moderate room light measurably affected sleepers' heart rate and blood sugar the next morning in a Northwestern study, so put every string on a timer. 60 to 68°F is the range the sleep organizations give, cooler than the living room. No real candles: 36% of home candle fires start in bedrooms. And if anyone in the room has allergies, a real tree belongs elsewhere or needs a hose-down first.

The bedroom is the one room where the decorations are still up while everyone's unconscious. That changes the rules. A string of lights along the headboard is lovely while you read, and a problem at 3 a.m. A pine garland smells like Christmas in the evening and can mean a stuffy nose in the morning. None of it means giving up on a festive bedroom. It means choosing decorations that can be switched off, cooled down or kept out of the way when the room goes back to its real job.

Every Bedroom Decoration, and What to Check

Light: Festive at 9 p.m., Dark at Midnight

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The research on light during sleep is clearer than most decorating advice. In 2022, Northwestern University researchers tested sleeping with moderate light (100 lux) against dim light (3 lux) over a single night. In the lit room, participants' heart rates rose while they slept, and their insulin resistance was higher the next morning. One night, not a year of it. The same researchers note that up to 40% of people sleep with a bedside lamp or another light on, and in December a string of fairy lights is the most common way that happens.

Harvard Health's review of light and sleep explains the mechanism: light suppresses melatonin, and even a little does it. It gives eight lux, "a level of brightness exceeded by most table lamps and about twice that of a night light," as enough to have an effect. Blue light is the strongest. In a Harvard experiment, blue light suppressed melatonin for about twice as long as green light of the same brightness and shifted the body clock twice as far, 3 hours against 1.5.

What that means for a Christmas bedroom:

• Every string of lights on a timer. Set it to switch off 30 minutes after you usually go to bed, so you can fall asleep in the glow without it running all night. Our Christmas lights guide covers plug-in timers, smart plugs and battery sets with built-in six-hour timers, and why electrical safety groups want decorations off before you sleep anyway.
• Warm white, never cool white or blue in the bedroom. If you love colored lights, keep them in the living room.
• Window lights go on the outside of the curtain. Lights facing the street are pleasant for neighbors and invisible to you once the curtain is drawn. A blackout liner behind festive curtains keeps both the streetlight and your own display out.
• If you want some light all night, Northwestern's researchers advise making it dim and close to the floor, and amber or red rather than white or blue. Harvard says the same about night lights: dim red is least likely to shift the body clock.

Temperature: Cooler Than You'd Think

December is when people turn the heat up, and the bedroom is where that backfires. The National Sleep Foundation says a bedroom between 60 and 67°F helps promote sleep, because body temperature naturally drops to start sleep. The separate sleepfoundation.org site puts its ideal range at 65 to 68°F. Either way, it's cooler than the 68°F people usually keep for sitting still in a living room (the reasoning behind that number is in our cozy Christmas living room guide).

So the festive warmth in a bedroom should come from things you can remove:

• Flannel or brushed-cotton sheets in a Christmas plaid or a plain deep red or green. They feel warm to get into without keeping you hot at 2 a.m. the way a heavier duvet does.
• A wool or knit throw at the foot of the bed. It's the most Christmas-looking thing you can put on a bed, and it comes off with one kick.
• Velvet or knit cushion covers in the season's colors. Covers, not new cushions: they store flat in a bag for eleven months.
• Keep the room itself cool and let the bedding do the work.

Candles: The One Thing to Leave Out

The featured photo at the top of this page has two candles on a tray on the bed, and the fire statistics say that's the arrangement to avoid. According to NFPA's candle fire figures, U.S. fire departments respond to an average of 5,894 home fires a year started by candles, which cause 63 deaths and 532 injuries annually. And the bedroom is where they happen:

• "Over one-third of candle fires (36%) started in the bedroom."
• Sleep was a factor in 34% of candle fire deaths.
• Candles were the second leading heat source in fires that start in bedrooms.

The pattern is easy to picture: a candle lit to read by, and then you fall asleep. In a bedroom, use LED candles. The good ones flicker convincingly and many come with a remote and a timer. If you light a real one while you're up and about, blow it out before you lie down, not when you're about to switch off the lamp. The broader December candle picture, and the 12-inch rule, is in our cozy living room guide.

String Lights on the Bed: Cords, Plugs and Fixings

Lights woven through a headboard or around a canopy are the classic Christmas bedroom look. Done well, it's safe. The CPSC's holiday decorating guidance sets out the basics:

• "Use no more than three standard-size sets of lights per single extension cord," and make sure the cord is rated for the use.
• Use insulated fasteners, not nails or tacks. The CPSC's wording is about outdoor lights, but the logic is the same indoors: a staple or tack through a cord can damage the insulation. On a wooden headboard, use adhesive cord clips or twist ties.

Bedroom-specific habits that follow from that:

• Keep plugs, adapters and extension cords out from under the mattress and the bed legs, where they get pinched every time the bed shifts, and out from under a rug.
• Don't bury lights under the duvet or in a pile of cushions. Wrap them on the frame, where air moves around them.
• Battery sets are ideal for canopies and headboards without a nearby socket. Buy ones with a timer and a screw-closed battery compartment. That matters in children's rooms: the National Capital Poison Center says more than 3,500 people a year in the U.S. swallow button batteries, and they can cause severe damage in as little as two hours. Our DIY Christmas crafts guide has what to do if it happens.
• Check the label for indoor use and discard any string with cracked insulation or loose bulbs.

Real Trees and Greenery in the Bedroom

A tabletop tree on a dresser, or a swag of fresh fir over the bed, is the most atmospheric thing a bedroom can have. It's also where people with allergies notice the tree first, because they spend eight hours breathing next to it.

The most-cited measurement comes from a study presented at the American College of Allergy, Asthma and Immunology meeting and reported by CBS News and WebMD. Researchers measured mold spores in a room with a live Christmas tree, twelve times over two weeks:

That doesn't bother most people. It matters if you have a mold allergy or asthma. Cleveland Clinic's article on "Christmas tree syndrome" points out that both real and artificial trees bring allergens indoors: pollen, dust mites, insect droppings and mold. Its advice, applied to the bedroom:

• Shake out and hose down the tree before it goes up, real or artificial, and let it dry.
• Clean ornaments before use. They've gathered dust all year.
• Run an air purifier near the tree.
• Take it down promptly. Mold can keep growing after the tree comes inside.
• Store an artificial tree in an airtight container so it doesn't gather dust and mold for eleven months.

For an allergic sleeper, the practical answer is to keep the real tree in the living room and give the bedroom a small artificial tree, a faux garland, or dried decorations. If you want the scent, a bowl of fresh greens in the hallway is enough. Fresh greenery should never go near a candle or heater, which is one more reason the bedroom stays flame-free.

Decorating the Bedroom Without Making It Busy

The bedroom works best with fewer, bigger Christmas moves than the living room:

• One focal point. The headboard wall is usually it: a wreath hung from a proper hook centered above the bed, or a garland along the top of the headboard. If you're hanging a wreath or a framed Christmas print above the bed, our hanging height calculator gives the gap above the headboard.
• Swap textiles, not furniture. A duvet cover, two cushion covers and a throw change the whole room and pack into one storage bag.
• A small tree, if any. A 2- to 4-foot tabletop tree on a dresser gives the effect without eating floor space. Our Christmas tree guide has ornament counts by height if you scale it down.
• Keep the nightstand clear. It's where water glasses, phones and a book need to go at 2 a.m., and it's the most likely spot for a knocked-over decoration.
• Scent without flame: a small bowl of fir tips, cinnamon sticks and dried orange slices. Our homemade decorations guide has the oven method for the oranges.

Christmas Bedrooms by Style

• Cottage: a quilt in red and cream, a small wreath on the bedpost, a jug of faux holly on the dresser and warm-white fairy lights on a timer.
• Timeless: crisp white bedding with a deep green velvet cushion, a boxwood wreath above the bed and brass picture lights left as the only glow.
• Coastal: pale linen, a driftwood-and-white-light garland on the headboard and a small white-flocked artificial tree.
• Mediterranean: terracotta and olive tones, a dried-herb and olive-branch garland (no allergy issue with dried) and a single paper star lantern.
• Vintage-modern: a mid-century bedside lamp with a warm bulb, a tartan throw, and one ceramic tree on the dresser. Our vintage Christmas guide covers checking old wiring on those.

Not sure which one you are? The decorating style quiz names a main style and a runner-up.

The Short Version

• Lights off during sleep. One night at 100 lux measurably affected sleepers in a Northwestern study. Put every string on a timer that ends shortly after bedtime.
• Warm white only in the bedroom. If you want a night light, make it dim, low and red or amber.
• 60 to 68°F. Cooler than the living room. Get the warmth from flannel sheets and a throw you can kick off.
• No real candles. 36% of home candle fires start in bedrooms, and sleep is a factor in a third of candle fire deaths.
• Cords out from under the mattress, lights on the frame, not under the duvet. Battery sets with timers and screw-closed compartments in children's rooms.
• Allergies? Real trees can raise mold spores from 800 to 5,000 per cubic meter over two weeks. Hose them down, keep them short, or use a small artificial tree in the bedroom.