Is it lie down or lay down?

The choice of lay or lie in this phrase depends on the verb tense you are using. When referring to the act of putting yourself in a horizontal resting position, the correct phrase is “lie down” (e.g., “I’m going to lie down on the couch”). When referring to something you’re going to do to something else, “lay down” is the appropriate phrase to use (e.g., “I’m going to lay down this lamp so it doesn’t fall”).

However, it’s important to note that “lay” is also the past tense of lie, so it makes sense to use “lay down” when referring to putting yourself in a horizontal position in the past (e.g., “Yesterday I lay down for an hour after practice”).

In short, when describing the act of reclining yourself horizontally in the present tense, use “lie down.” But when describing a past act of reclining yourself, use “lay down.”

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