lie down
HUMAN POSITION IN WHICH THE BODY IS MORE OR LESS HORIZONTAL AND SUPPORTED ALONG ITS LENGTH BY THE SURFACE UNDERNEATH
Decubitus; Lie down; Decubitus position; Recumbence; Immobilization (pathology); Lateral decubitus; Recumbency; Left lateral decubitus position; Lying down
When you lie down, you move into a horizontal position, usually in order to rest or sleep.
Why don't you go upstairs and lie down for a bit?
PHRASAL VERB: V P