Lie down and Take a breather

Lie down verb - Assume a reclining position.

Take a breather and lie down are semantically related in relax topic. In some cases you can use "Take a breather" instead a verb "Lie down", when it comes to topics like be or feel at ease.

Take a breather verb - Take a short break from one's activities in order to relax.

Lie down and take a breather are semantically related in relax topic. You can use "Lie down" instead a verb phrase "Take a breather", if it concerns topics such as be or feel at ease.