Sleep Glossary

Sleep Glossary

A glossary of terms

  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • K
  • L
  • M
  • N
  • O
  • P
  • Q
  • R
  • S
  • T
  • U
  • V
  • W
  • X
  • Y
  • Z

    A

    ADVANTAGE LOFT
    Premium blend of high quality polyester fibers to create a unique luxurious quilt. For a soft feel and exceptional resilience. Helps resist body impressions.
    ADVANCED COMFORT
    Rolling peaks of convoluted padding and fluffy fibers offer gentle cushioning for the body. Helps promote better circulation and reduces tossing and turning.
    ALLERGEN RESISTANT
    Resistant to bacteria, fungi and other living organisms.
    ALLERGY CARE
    Fiber material that reduces household allergens.
    ALPACA
    Luxurious natural fiber that keeps you warmer in the winter and cooler in the summer.
    ALTERNATING COIL
    Provides contouring support & minimizes motion transfer.
    ANGORA
    Luxurious natural fiber that performs even better than cushioning. Offers comfort and support.
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    B

    BEAUTY LOFT
    Plush synthetic fiber that adds resilience for enhanced sleep comfort.
    BEDBOARD FOUNDATION
    A wood frame support system that is equal to putting a board under your mattress to firm it up.
    BLENDED LATEX
    Polyurethane foam enhanced with latex. Allows superior airflow throughout Padding Materials.
    BLOC FOAM
    High density foam at the base of the mattress that absorbs shock & reduces motion.
    BODY LOFT
    A combination of antimicrobial and antibacterial fibers that help reduce allergies and dust mites.
    BODY IMPRESSIONS
    Indentations in a mattress that happen when the mattress compresses over time. When you notice compression, it's probably time to change your mattress.
    BONNELL COIL
    Hour glass shaped coil, round on top and bottom.
    BORDER ROD
    Heavy wire that forms the outer edge of an innerspring unit. The border rod usually is clipped to the outermost coils and the ends of the helicals.
    BOUNTY LOFT
    A blended woven fiber. A breathable fiber providing comfort and resilience.
    BOXSPRING
    Designed to support an innerspring mattress. Together, a mattress and boxspring comprise a sleep set.
    BRASS VENTS
    Functional, decorative pieces added to the mattress to aid in ventilation.
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    C

    CABLE COIL
    Three light gauge coils twisted together to create a more durable coil. This design provides more support and a higher degree of motion separation.
    CALIFORNIA KING
    A bed that measures 72 inches wide and 84 inches long.
    CASHMERE
    A luxurious fiber that provides warmth in the Winter & keeps you cool in the Summer.
    CELESTRA
    Polypropylene insulator pad.
    CHENILLE
    Wool Blend Fiber Stretch Material. Offers the look of fine High End Furniture.
    CLOTH HANDLES
    Handles made of cloth that match the ticking of the mattress and are sewn to it.
    CLUSTER FIBER
    Fiber that is bonded for no shifting.
    COIL COUNT
    In total, the number of Coils that make up the core of an Innerspring Mattress.

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    CORTEX
    Firming material which serves as a base, also known as a coconut fiber.
    COMFORT BOND
    A fiber pad bonded or molded into shape through a heat process that cuts down on body impressions.
    COMFORT CLUSTER FIBER
    Feels like goose down.
    COMFORT
    A general term to describe the overall feel of a mattress.
    COMFORT LOFT POLY
    Softer, higher form of polyurethane.
    COMFORT/SUPPORT TRAY
    Firmer sitting edge and minimizes edge breakdown.
    COMFORTFIL
    A soft, low pressure sleep surface that allows for better circulation during sleep.
    CONTINUOUS COIL
    The coils are formed from one piece of continuous wire, generally running from head to toe. Provides support along the entire length of the body.
    CONTOURING
    The ability to follow or fit the natural curves of the body.
    CONVOLUTED FOAM
    Polyurethane foam formed with pockets that resemble an eggcrate that adds additional pressure relief and contouring support.
    CONVOLUTED INFINILUX
    Synthetic Latex with eggshell foam concept.
    CORNER GUARDS
    Plastic or metal fittings secured to foundation corners to prevent material damage from the bed frame.
    COTTON
    A natural fiber used as an insulator pad or comfort pad and as ticking on high-end products.
    COTTON BATTING
    A type of padding layer generally used to achieve a firm feel.
    CUMULOFT
    Dacron Polyester fiber used on plush Sealy Posturepedic products.
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    D

    DACRON
    Is a spun hollow core fiber that will provide resilience and a loftier soft to the touch quilt.
    DAMASK
    Originally referring to a Belgium cotton import, it is now used for any cotton, 3 colored, woven design.
    DENSE FIBER PAD
    An extra layer between you and the innerspring that provides firm comfort and support.
    DENSITY
    The weight per cubic foot of foam. Density is independent of firmness, but is considered an important indicator of foam quality.
    DUAL TORSION
    A bow tie shaped spring added to the seat edge for border support.
    DUNLOP
    A method used in producing latex mattresses. The serum is collected from rubber trees, then poured into a mold and baked.
    DUST MITES
    Microscopic arachnids that feed on dead skin that sloughs from our bodies. They live in mattresses, pillows, and bedroom carpets.
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    E

    EDGE GUARD
    Type of border support
    EDGE SUPPORT
    An additional support element added to the edge to firm up the sides of a mattress. Increases sleeping space.
    ENCASED COIL
    Provides ultra body-contouring support & minimizes partner motion transfer.
    EVEREDGE
    A rigid foam edge around the entire set.
    EVERLAST
    A man made latex blend foam padding . Instant shape recovery, won't bunch or break down, the mattress has that new feel year after year!
    EYELET BORDERS
    Contemporary version of brass vent plates. They aid in ventilation.
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    F

    FATIGUE
    A softening or loss of load bearing capacity of a mattress. A mattress showing signs of fatigue is generally considered "worn out" and ready for replacement.
    FIBERLUX
    High quality fiber that that provides an extra plush feel
    FIREBLOCKER
    Fireblocker system is a precise blend of natural and synthetic fibers designed to isolate the impact of a fire and prevent it's spread into the mattress.
    FIRM
    A comfort designation usually given to an unyielding surface.
    FIRMNESS
    A general term to describe how much resistance the mattress applies to body weight and the resulting "give".
    FLAWLESS SCULPTURE FOAM
    Point up specially designed convoluted foam offering lower pressure per square inch.
    FOAM ENCASED
    Wrapping the entire mattress in heavy foam, eliminating the border wire. Found on upper end mattresses.
    FOUNDATION
    The foundation absorbs much of the stress of the mattress set and provides added comfort and support. You should always purchase a matching set.
    FULL SIZE
    Any mattress, bed frame or foundation that measures 54" wide by 75" long.
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    G

    GAUGE
    The measured thickness of the steel used in coil units. The lower the number the thicker the steel.
    GEL
    Gel mattresses provide a truly unique sleeping surface. Gel moves with your body to provide targeted support. Gel mattresses focus on a few key points: Improved circulation, decreased pain points, and temperature regulation.
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    H

    HAMMOCKING
    An undesirable trait that signals it's time for a new mattress. Corners tend to rise and bow in response to deep compression much like a hammock.
    HD Foam
    High Density Foam
    Helicals
    Wire spirals that usually hold together adjacent rows of coil springs.
    Hex Rail Policy
    Designed with stronger edge with higher density for support and durability.
    High Density
    Refers to the amount of give, usually in a foam product.
    HIGH PERFORMANCE FLAWLESS FOAM
    Provides proper support, high-density durability, and long-term resiliency.
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    I

    INDIVIDUALLY WRAPPED COIL
    Hand assembled & hand laced wrapped
    INFINILUX
    Offers the feel of premium latex. Conformity with instant shape recovery
    INNERSPRING
    A mattress that includes tempered coiled springs. This type of mattress is the most popular.
    INNERSPRING UNIT
    The spring and wire unit consisting primarily of coils, helicals and border rods, which form the heart of an innerspring mattress.
    INSULATOR
    A tough fiber padding, wire or netting that separates innerspring mattress coils from the cushioning.
    INTEGRA LOCK
    A rigid foam edge around the entire set.
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    J

    No words found
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    K

    KING SIZE
    Any mattress, bed frame or foundation that measures 76" wide by 80" long.
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    L

    LATEX FOAM
    Latex is a natural, hypoallergenic natural conforming foam with long lasting resiliency. Offers instant shape recovery.
    LUXURY CHANNELS
    Exotic fibers and buoyant convoluted foam are channel quilted together to create this uniquely comfortable and "down-like" sleep surface!
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    M

    MARSHALL UNIT
    Barrel shaped, power packed, individually pocketed coils.
    MARVELUX
    Firmest foam pad on market. Gives height and support.
    MAXI EDGE
    Edge Support System.
    MEMORY FOAM
    Deeply contoured high density foam which conforms to your body.
    MID-SUPPORT ZONE
    An exclusive feature that puts additional fiber pads in the center third of the mattress for additional support in the lumbar region.
    MSI
    Indicates the degree of Motion Transfer from side to side the mattress prevents. Simmons Beautyrest uses this term.
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    N

    NATURAL LATEX
    100% pure, natural latex is a serum that is collected from the rubber tree and processed into sheets of latex. Pure latex is by far the most resilient.
    NORDIC GRID WOOD FOUNDATION
    Provides support & extends the life of the mattress.
    NO TURN/ NO FLIP
    These are specific models have been designed to provide continuous support without the need to turn them over and use the reverse side of the mattress.
    NYLON OR METAL NETTING
    Used by various manufacturers to help eliminate pocketing and sagging.
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    O

    OFFSET COIL
    An innerspring mattress coil that has an hourglass shape and a squared off section at the top and bottom of the coil.
    OMALON
    Synthetic Latex
    ORTHOPEDIC STANDARD
    The minimum count of 312 coils, 13 gauge steel and 6 gauge border wire.
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    P

    PERIMETER EDGE FOAM
    An additional border framing the coil unit.
    PILLOW TOP
    The type of design whereby an extra layer of comfort padding is added to the surface of a mattress.
    PILLOWFILL
    Serta's company name for the synthetic fiber that adds soft comfort to padding layers.
    PIN CONVOLUTED
    Patented designed with thousands of massaging foam fingers.
    PLUSH
    A designation of comfort usually reserved for medium soft mattresses.
    POCKETED COILS
    Cylindrical innerspring mattress coils enclosed in separate flexible fabric pockets. The pockets are attached to adjacent pockets.
    POCKET FOAM
    Found just below the pillow top. It lifts up the pillow top. Cuts off 3" before the edge of the mattress perimeter.
    POCKETING
    The name given to the occurrence of padding falling into the coil system.
    POLY FOAM
    Short for polyurethane foam, used in almost all bedding as either an insulator pad or comfort pad that provides extended durability and comfort.
    PRESSURE POINTS
    The points at which capillaries will close due to pressure against the body. A mattress that supports evenly can reduce this undesirable condition.
    PRO-RATED
    Meaning a warranty is not 100% replacement but could have restrictions as to coverage.
    PURE FOAM
    Higher quality than most poly foams. Pure foam is more resilient.
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    Q

    QUALATEX
    Man made Latex that doesn't have the imperfections natural latex has.
    QUEEN SIZE
    Any mattress, bed frame or foundation that measures 60" wide by 80" long.
    QUILTING
    Patterns that are sewn into the mattress ticking. For surface softness, many manufacturers quilt the ticking to soft urethane foam of varying thickness.
    QUILT-FLEX
    High grade poly foam that is poured under a vacuum to produce the most consistent durable foam.
    QUILTLUX FIBER
    Similar to Bountyloft. Breaths and helps establish softer comfort levels.
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    R

    RACETRACKING
    The term for using firm foam around the perimeter of a bed.
    RECOVERY TIME
    The time it takes for a piece of foam to return to its original shape. Latex foam has a fast recovery time, and memory foam has a long recovery time.
    RESILIENCY
    Surface liveliness and spring-back ability.
    RESILIUM
    Helps retain shape and prevent body impressions while providing comfort.
    RESIN BOND
    Component added at high temperatures that forms a welding together of material to create a firming pad that will not shift or pocket.
    RESIN PAD
    Provides a firmer feel, and durability.
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    S

    SACRO-FOAM
    Body supporting poly-foam.
    SCULPT FOAM
    Deeply contoured foam with thousands of gentle fingers that conform to the body providing a rich luxurious feel.
    SEALY FOAM
    High quality durable foam that cushions and conforms to the body for a more plush feel.
    SENSIFIBER
    Advanced fiber that's found in ski jackets & sleeping bags. When the body gets hot, the fiber absorbs heat, when the body cools down, it releases the heat.
    SENSUS
    Visco Foam
    SHOCK ABZZORBER PLUS
    Provides proper support and stress relief for the mattress. Provides longer life. Sealy uses this term.
    SIGMA FLEX FOUNDATION
    Torsion bar modules absorb the body's weight and help maintain correct spinal alignment.
    SILENCER STRIPS
    Pieces of scrap fabric placed in boxspring to reduce contact noise.
    SILK
    Keeps you cooler in the warm weather.
    SIM-FOAM
    A synthetic poly-foam developed by Simmons for extra support and greater conformability.
    SOFTENING PAD
    Generally referred to padding that achieves a plush comfort level.
    STABILITY FLEX
    Provides support & extends the life of the mattress.
    STEEL SPAN
    Sealy Posturepedics steel beam anchored torsion bar foundation.
    SUPER SOFT CONVOLUTED FOAM
    Provides Plush Comfort.
    SUPER SOFT FLAWLESS FOAM
    Provides comfort and support.
    SUPERIOR FOAM ENCASEMENT
    Firmer sitting edge with more sleep surface. Increased flexibility.
    SUPPORT
    A general term to describe how the mattress distributes and stabilizes body weight and maintains proper body alignment.
    SYFI PAD OR PADS
    Compressed polyester fiber bonded together by baking, found in Simmons products.
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    T

    TACK JUMP QUILTING
    Minimizes Body Impressions & adds comfort.
    TAMPICA
    A coconut hair-fiber based insulator pad.
    TEMPERED STEEL
    A process of heating steel at high temperatures to increase the strength of both mattress & boxspring coils.
    TICKING
    The name given to a fabric that covers a mattress. These fabrics are often attractive prints or woven damasks.
    TORSION GRID FOUNDATION
    A support system made up of torsion bars.
    TRIPLE BEAM
    The use of 3 layers of wood in creating a foundation.
    TRIPLE CASED
    Stearns & Fosters patented laminated foam encasing process.
    TRIPLE CASED COMFORT CROWN
    Scientifically designed sculpted foam, provides additional edge support.
    TRITON FOUNDATION
    A total base of non-flexing steel struts that creates a non-yielding foundation - no motion transfer found in all no-flip Beautyrest models.
    TOPPER PAD
    Insulation and padding material that lies on top of the spring assembly in an innerspring mattress.
    TUFTING
    The cover is sewn from the top all the way to the bottom of the mattress. Tufting keeps layers of foam from shifting inside.
    TWIN SIZE
    Any mattress, bed frame or foundation that measures 39" wide by 75" long.
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    U

    ULTRA EDGE
    The rigid foam border support found in the lower end Stearns &Foster products.
    ULTRASTEEL
    The type of torsion bar foundation found on Stearns & Foster products.
    UNI-CASED
    Thermo-plastic foam (poly foam) that is fused together while being interlocked with the inner-spring unit. Sealy uses this term.
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    V

    VENTILATED VISCO
    Designed to breath and keep you cooler.
    VERSARE
    Piece of material used between the mattress and the pillow top. The material holds layers together to offer less chance of pocketing.
    VISCO MEMORY FOAM
    Slow responding body heat sensitive foam that conforms to the body.
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    W

    WATERFALL FOUNDATION
    Also known as the Continental Foundation, the upholstery wraps over the top edge of the unit as opposed to a foundation ending with a tape edge.
    WHISPER FOAM
    Created in a vacuum to ensure consistency. Ultra soft foam eliminates body impressions.
    WOOL
    Keeps you warmer in the winter.
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    X

    No words found
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    Y

    No words found
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    Z

    Z-BAR
    Tempered steel bar shaped like a "Z" that's reinforced to the border rod for edge support.
    ZONE GRID BOX
    A torsion element foundations concentrating more support in zones of potentially heavier weight.
    ZONED LUMBAR SUPPORT
    Found in Simmons Beautyrest providing additional support to the lumbar and leg regions. Measured thickness of the steel used in coil units. The lower the number the thicker the steel.
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