
The word sleeper has a variety of meanings depending on the context in which it is used. Generally, it refers to someone or something that sleeps or is sleeping. In the context of transportation, a sleeper can refer to a carriage or car in a train with beds for passengers to sleep in, or a sleeping compartment in a truck or bus. In the world of espionage, a sleeper is a spy or agent planted in advance but not currently active, waiting to be activated. In terms of entertainment, a sleeper can refer to a movie, play, or merchandise that unexpectedly becomes a success after an initial period of obscurity or lack of recognition. In the context of bowling, it refers to a pin hidden from view by another pin.
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What You'll Learn

Sleeper as a noun for a person who is sleeping
A sleeper is a person who is sleeping. The word is often used to describe a person's sleeping patterns or habits, such as being a light sleeper, a heavy sleeper, or a good sleeper. For instance, a light sleeper is someone who wakes up easily and is, therefore, more susceptible to disturbances. On the other hand, a heavy sleeper sleeps deeply and may be challenging to awaken. A good sleeper is someone who falls asleep and stays asleep with ease.
The term sleeper is also used to describe a carriage or compartment in a train, bus, or truck that contains beds for sleeping. This usage of the word is common in travel contexts, such as reserving a sleeper for an overnight train journey.
In addition to the above, the word sleeper has several other meanings and connotations. In the context of homelessness, the term rough sleeper refers to a person who sleeps on the streets or in temporary accommodations due to a lack of permanent housing. This usage highlights the social issue of homelessness and the need for support and interventions to address it.
Furthermore, the term sleeper is used in the world of entertainment to describe a movie, play, or other form of media that achieves unexpected success or gains popularity after an initial period of obscurity. This usage often conveys a sense of surprise or delight, as something that was not expected to be successful has surpassed expectations.
In certain contexts, the word sleeper is also used to describe an individual who possesses hidden talents, abilities, or powers that may not be immediately apparent. This usage suggests a person who may appear unassuming or ordinary but has exceptional capabilities that can be unveiled or activated.
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Sleeper as a carriage in a train with beds
A sleeper is a carriage in a train with beds for passengers to sleep in. Sleeper trains combine travelling with a place to sleep, allowing passengers to arrive refreshed and ready to make the most of their day of arrival at their destination. Sleeper trains are also more environmentally friendly and sustainable than air travel.
The sleeping car or sleeper (often wagon-lit) is a railway passenger car that can accommodate all passengers in beds of one kind or another, for the purpose of sleeping. Sleeper trains often have different categories of accommodation, with prices varying accordingly. Sleeper cabins are often one or two-berth cabins, sold for exclusive use. They can feel cramped compared to a hotel room, and en-suite bathrooms are uncommon, but there may be a sink in the cabin and a communal shower. Duvets, pillows, a turndown service, and breakfast are usually provided.
Couchette, on the other hand, are bunks in a shared compartment or carriage. In Europe, couchettes are usually in compartments with 4 or 6 bunk berths. Duvets and pillows are often provided, but passengers must make their own beds. Like with cabins, passengers may have access to showers. Seats can be the same as in a regular daytime train or they might be fully reclining like in airline business class, with a blanket provided.
Sleeper trains are available in many countries, including the UK, France, Germany, Croatia, Turkey, Russia, India, Indonesia, and Japan.
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Sleeper as a term for a spy or saboteur
A "sleeper agent" is a spy, saboteur, or terrorist planted in an enemy country who lives as a law-abiding citizen and is activated by a prearranged signal. The term originates from the world of gambling in the 19th century, where a "sleeper" referred to a card player who unexpectedly drew a winning card. In this context, a sleeper agent is someone who appears non-descript and harmless but has hidden abilities or powers. They are often referred to as "sleepers" in slang.
Sleeper agents are often used in espionage and covert operations, where they are planted in advance and remain inactive until they are called upon to carry out a specific mission. They may be activated by a specific event or trigger, such as a crisis or a change in political leadership. Sleeper agents can be highly effective because they have the ability to gain the trust of their target and operate without arousing suspicion.
The use of sleeper agents has been associated with various intelligence agencies and terrorist organizations. For example, Iran has been known to utilize sleeper cells, and the term "sleeper agent" has been used to describe spies or moles within an organization or country.
In popular culture, sleeper agents are often portrayed in films and television shows about espionage and covert operations. They are often depicted as living double lives, maintaining a cover identity while secretly carrying out their missions.
Overall, the term "sleeper" when referring to a spy or saboteur, describes someone who operates in secrecy and deception, remaining hidden until it is time to carry out their mission.
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Sleeper as a term for someone who achieves unexpected success
The term "sleeper" has several meanings, one of which refers to someone or something that achieves unexpected success after a period of obscurity or lack of recognition. This usage of the word "sleeper" often describes a person or entity that defies expectations and achieves success despite initial challenges or a lack of immediate promise.
In the world of entertainment, for example, a sleeper film or play might be one that unexpectedly becomes a critical or commercial success, perhaps due to clever marketing or word-of-mouth popularity. Similarly, in the context of merchandise or retail, a sleeper could be a product line that unexpectedly sells well, even though it was initially considered unremarkable or unpromising.
The term "sleeper" can also be applied to individuals who experience sudden success or recognition after a period of anonymity or lack of achievement. This could include athletes, artists, entrepreneurs, or any other individuals who defy expectations and make significant breakthroughs in their respective fields.
The usage of the term "sleeper" in this context may have originated in the world of gambling during the nineteenth century. When a card player unexpectedly drew a winning card, it was referred to as "a sleeper." This sense of the word captures the element of surprise and the defying of expectations that is inherent in the concept of a "sleeper" success.
It's worth noting that the term "sleeper" can also refer to something that appears unremarkable or inconspicuous but has hidden abilities or powers. For example, in the context of automobiles, a "sleeper car" or "sleeper build" refers to a vehicle that has been modified for high performance without any cosmetic changes, giving the appearance of a typical or unexceptional car. This usage extends to other contexts, such as bodybuilding, where a "sleeper build" describes someone who has a well-built physique that is not immediately apparent due to their day-to-day clothing choices.
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Sleeper as a term for a sleeper earring
Sleeper earrings are designed for comfort and can be worn while sleeping. They are typically small and simple in design, featuring a hoop or a stud with a smooth and secure backing. Sleeper earrings are often crafted from hypoallergenic materials, such as sterling silver, gold, or surgical steel, making them ideal for individuals with sensitive skin or freshly pierced ears. The lightweight and hypoallergenic nature of sleeper earrings allows for extended wear, enabling the piercing to heal without constant removal and reinsertion. This makes them a versatile accessory suitable for various occasions, from casual to formal events, and a popular choice for those who prefer a minimalist or understated look.
Sleeper earrings are available in a range of styles, including small and subtle hoops, as well as larger, bolder designs. They often feature a hinged or screw mechanism that allows them to stay securely in place without irritating the earlobe. Some sleeper earrings are designed as studs, offering a minimalist vibe with endless design options, from simple balls to cute shapes, stars, or hearts. Gemstone studs, such as diamonds, pearls, or birthstones, are also popular choices.
When choosing sleeper earrings, it is essential to consider skin compatibility, especially for those with sensitive ears. Hypoallergenic materials, such as 14k gold, sterling silver, or titanium, minimise the risk of irritation or allergic reactions. It is recommended to avoid materials like copper, brass, and bronze, as they may cause skin discolouration or irritation. Silver, while aesthetically pleasing, can tarnish and irritate sensitive skin, so opting for sterling silver or platinum is preferable.
Sleeper earrings are a timeless and classic accessory, offering both comfort and style. They are versatile enough to be worn during sleep, exercise, or various occasions, making them a popular choice for individuals who want a simple yet stylish earring. The lightweight and secure design of sleeper earrings ensures they stay in place throughout the day without causing discomfort, making them a convenient and fashionable option.
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Frequently asked questions
Sleeper can refer to someone who is sleeping. It can also be used to describe someone who sleeps in a particular way, for example, a light sleeper or a good sleeper.
Sleeper refers to a carriage or train car with beds for passengers to sleep in. It can also refer to a sleeping compartment in a truck or a bus.
Sleeper can be used to describe something that becomes an unexpected success, like a sleeper hit movie or a sleeper play.
Sleeper is slang for a spy, saboteur, or terrorist planted in an enemy country, living as a law-abiding citizen until activated.











































