Breathe easy and Lay down

Lay down and breathe easy are semantically related In some cases you can use "Lay down" instead a verb phrase "Breathe easy".

Lay down verb - To put into effect through legislative or authoritative action.

Breathe easy and lay down are semantically related in relax topic. Sometimes you can use "Breathe easy" instead a verb "Lay down", if it concerns topics such as be or feel at ease.