sleeping

let sleeping dogs lie

to not talk about things which have caused problems in the past, or to not try to change a situation because you might cause problems. His parents never referred to the shoplifting incident again. I suppose they thought it best to let sleeping dogs lie. It wasn't that we didn't want to improve the school - it was more a case of letting sleeping dogs lie.

See also: dog, let, lie, sleep

sleeping partner (British, American & Australian)

someone who is closely involved with a company, and often provides money for it, but is not a manager of it. He was an extremely wealthy man, and she was hoping he might become a sleeping partner in their new vineyards.

See also: partner, sleep