The idiom "not the sharpest tool in the shed" is used to describe someone who is not very intelligent or smart, often with a hint of humor. The figurative meaning is that the person in question lacks mental acuity and may struggle to solve problems or make decisions.

The idiom "sleep tight" is used to wish someone a good night's sleep. It implies that the person will have a restful and peaceful night, without any disturbances or worries. The phrase can also be used to express confidence in someone's ability to stay safe during the night.

The idiom "clean sweep" refers to a complete or thorough success in accomplishing something, often involving the removal of all obstacles or opposition. It can also mean that everything is done with great efficiency and effectiveness.

The idiom "sleep tight" is used to wish someone a good night's sleep. It implies that the person will have a restful and peaceful night, without any disturbances or worries. The phrase can also be used to express confidence in someone's ability to stay safe during the night.

The idiom "come up" can mean to appear, emerge, arise or become known. It can also mean to advance, progress, succeed or gain a higher rank or position. In some cases, it can also mean to suddenly improve or develop something.