A nap is a short sleep, so to take a nap means to relax and fall into a light sleep for a short while, it's usually just enough to allow you to wake refreshed and continue with the rest of the day until your normal bedtime.
No, I don't take an afternoon nap.
No, not ussually anyway. Cats take nap after nap after nap to get their rest.
Take, future tense. I will take a nap. Took, past tense. I took a nap.
It depends on how the word is used.
Take a nap
It means to take a nap for a short period of time much in the way tha cats do.
Take a nap.
A nap is a small rest period, usually occurring the day light hours. It is a miniature sleep period, like the one most people take at night, but it is meant to be much smaller. Naps can be as short as 5-10 minutes or as long as 2-3 hours.
When we have a nap, we take a short rest; it is not as long as sleeping, usually 15 minutes, but in some context it is sleeping, so we call it a 'nap'.
not really
No, the example above in incorrect grammar. A correct example would be: "Have you taken a nap?"
Take some rest. Nap.