I slept a little during lunch break because I was so tired. ✬

I'm on my lunch break. ✬

I was thinking about taking my lunch break. ✬

I'm taking my lunch break. ✬

Tom just got back from his lunch break. ✬

Tom is on his lunch break. ✬

Our lunch break's over. ✬

My lunch break's almost over. ✬

You're entitled to a lunch break. ✬

They're on their lunch break. ✬