The railway sleeper supports the weight of the train tracks.

I always lose sleep over exams.

She has the sleekiest hair I've ever seen.

The new sports car is sleekier than the old one.

The new sports car has a sleeky design.

The authorities are on high alert for any signs of sleeper cells in the city.

Co-sleeping is a common practice in many cultures.

The sleeping giants awoke from their slumber.

He wore a pair of sleeve-links with his suit.

I need to use a sleeve board to iron the sleeves of my shirt.