He sat up late at night.

Don't sit up late at night.

Tom stayed up late.

I stayed up late.

Tom is working late.

I stayed up working.

I work until very late.

Tom worked until late at night.

He worked until late at night.

Don't stay too late.

Don't stay too late.

Tom stayed late.

Tom stayed late.

I'm used to staying up late at night.

He is accustomed to sitting up late.

He is accustomed to sitting up late.

He sits up till late at night.

I stayed up late.

I am used to staying up late at night.

Does he usually work late?

I usually stay up late.

He stayed up late.

Tom often stays up late at night.

Don't stay up late tonight.

Tom often stays out late.

You'll have to work late tonight.

I don't often stay up late at night.

I'm working late tonight.

I had to work late.

I'm used to working late.

Are you working late tonight?

Mom has stayed up late to decorate your uwabaki.

The bank shuts late on Fridays.

The burglar is used to staying up late.

I stayed up late last night.

I am accustomed to staying up late.

I talked with him far into the night.

He often stays up late at night.

We got used to late hour work.

He stayed up late last night.

I thought you were working late.

I thought you were working late.

I stay up late every night.

Tom is in the habit of staying up late at night.

I had to work late yesterday.