sleeper

A person who is asleep, or someone described by how they usually sleep.

• I’m a light sleeper.
• The noise woke every sleeper in the house.
• Is your baby a good sleeper?

Common phrases: light sleeper, heavy sleeper, deep sleeper

A train with beds where passengers can sleep during their journey.

• We took the sleeper to London.
• The overnight sleeper leaves at ten.
• Have you booked tickets for the sleeper?

Similar words: sleeper train

Common phrases: overnight sleeper, take the sleeper, sleeper train

A person or thing that seems ordinary but has a hidden purpose to be used later.

• The neighbour was a sleeper agent.
• The sleepers waited years for their orders.
• They planted a sleeper inside the company.

Common phrases: sleeper agent, a hidden sleeper, activate a sleeper

A piece of night clothing, often for a baby, that covers the body, legs, and feet.

• The baby wore a soft sleeper.
• These sleepers keep her feet warm.
• I zipped his sleeper before putting him to bed.

Similar words: footed pajamas

Common phrases: baby sleeper, cotton sleeper, footed sleeper