"I will not catch up on my sleep for a season or more."
For now, they would have to be patient and let an old man catch up on his sleep.
Catch up on his sleep for the next ten years.
Now everything is under control I can catch up on my sleep.
After a day off, Wesley had already caught up on his sleep.
"I began to wonder if you would ever catch up on your sleep."
And, just maybe, everyone would have a chance to catch up on their sleep before the next march.
To her surprise he added, "Will you be able to catch up on your sleep during the day?"
He would certainly be able to catch up on his sleep.
The best thing you can possibly do now is to catch up on your sleep.