You're a college student visiting another city. You can't afford to stay in a hotel, so you want to stay at a friend's small apartment. After explaining your situation, you ask him like this.
Listen, do you mind if I crash on your couch for a night or two?
You're riding home from a concert with a friend. She looks really sleepy. You want to warn her not to go to sleep, so you say this.
You look like you're about to nod off.
Your young son is crying while you're talking on the phone with your brother. You think it's because he hasn't slept yet this afternoon. You explain:
He gets cranky when he doesn't have a nap.
children (topic), emotions, personality, sleep 
You're driving late at night, and you're sleepy. You feel like you're going to fall asleep. You tell the person who's riding with you:
I can barely hold my eyes open.
You're talking to your friend about people who are hard workers. Your grandfather worked on a farm when he was a boy. You tell your friend about him:
My grandpa used to tell me about how he had to get up at the crack of dawn every day to start work on the farm.
You went on a trip with a group of friends for 4 days. You had a lot of fun and didn't sleep much, so you were tired at the end of your trip. You went to sleep soon after you returned home. Now you're talking to one of your friends who was on the trip. You tell her about this:
I went straight to sleep as soon as I got home.
home (topic), sleep, time, travel You're working on a project at work with a group of people. You're not finished with it, but everyone is tired and it's getting late, so someone suggests picking it back up the next day. You think that's a good idea, but you want to joke that everyone should stay all night to work on it. You say:
What? You mean you don't want to pull an all-nighter?
You've spent the day at the beach with your young children. Now you're riding back home. You see that your kids are asleep in the back seat of the car. You tell your husband:
They're passed out.
beach, children (topic), sleep, 日本語サポート You're telling a story about a silly mistake you made when you left your keys at work and couldn't get into your apartment. You've described what happened, and now you want to explain the result of this event. You say:
I ended up spending the night in a cheap hotel.
You're telling a story about something that happened to you at work one day when you were really tired. You are telling the setup for the story. You say:
I was really sleepy because I had gone out drinking the night before.
