Lie and Lay?
Lie is something that you do to yourself. When you are tired, you lie down (not “lay down”). Lay is something that you do to other things. For example, you can lay a book on the table. Okay, here comes the slightly confusing part; are you ready? The confusing part is, “lay” is also the past tense of “lie.” So, for example, you would say “This morning I lay down on the floor to stare at the ceiling.” Since it is in the past, you use “lay.
