Host: Jeffery

　　sound sleep

　　sleep on it

　　sleep in

　　light sleeper

　　Practical Sentence

　　eg:It’s been a long time that I had a sound sleep.

　　eg: Come on, go swimming with us tomorrow.

　　I will sleep on it.

　　eg: Sorry, I slept in this morning.

　　sound sleep —

　　Sleep on it—

　　Sleep in —

　　eg: You seem to have a long night.

　　I am a light sleeper. And the dog was walking

　　around all night.

　　light sleeper —