The phrase "puts one to sleep" is often used to describe things that are boring or uninteresting. There are several synonyms for this phrase that can be used interchangeably to convey a similar meaning. These synonyms include "lulls to sleep," "numbs the mind," "bores to tears," "snooze-inducing," "dull as dishwater," and "slumbersome." All of these phrases suggest a state of mental and physical lethargy, and imply that a particular activity or stimulus is so unengaging that it can put one to sleep. While the connotations of each phrase may differ slightly, they all serve as useful ways to describe things that are tediously dull and uneventful.