Fall asleep and Lay by

Fall asleep verb - Change from a waking to a sleeping state.

Lay by and fall asleep are semantically related. In some cases you can use "Lay by" instead a verb phrase "Fall asleep".

Lay by verb - To get rid of as useless or unwanted.

Fall asleep and lay by are semantically related. Sometimes you can use "Fall asleep" instead a verb "Lay by".