A person who sleeps in a particular way.
Some people are heavy sleepers, while others are light sleepers.
一部の人々は深く眠る一方で、他の人々は浅く眠る。
A person who is asleep.
The only sounds in the room were the snores of the sleepers.
部屋の中で唯一の音は睡眠者のいびきでした。
A night train with beds for passengers.
We traveled on the sleeper train to save on hotel costs.
ホテルの費用を節約するために寝台列車で旅行しました。
A coach on a train with beds for people to sleep in.
We booked a room in the sleeper car for our overnight journey.
私たちは夜間の旅のために寝台車の部屋を予約しました。
A heavy piece of wood or concrete on which the rails on a railway track are laid.
The train tracks were laid on sturdy sleepers.
鉄道の軌道は丈夫な軌道枕木の上に敷設されました。
A film, play, or book that is not very successful for a long time and then suddenly becomes a success.
The movie was a sleeper hit, gaining popularity months after its release.
その映画はスリーパーヒットであり、公開数ヶ月後に人気を得ました。
A spy who is sent to live in a country as a normal citizen and is not used until much later.
The authorities uncovered a sleeper agent living among us.
当局は私たちの間に住む休眠エージェントを発覚させました。
A ring or piece of metal that you wear in an ear that has been pierced to keep the hole from closing.
She wore a sleeper earring in her newly pierced ear.
彼女は新しくピアスをした耳にスリーパーイヤリングをかけていました。