He's got to sleep. They might catch him asleep.
4 seconds sound clip from the The Invisible Man (1933) movie soundboard.
You can hear this line at 01:04:29.541 in the Blu-ray version of the movie.
Quote context
[...]
- Listen, I'll do anything, everything you ask me.
- He's got to sleep. They might catch him asleep.
- A cafe was robbed last night in Manton.
- There's no proof he did it. There are robberies every night by ordinary burglars.
- Look there! We wanted help. There it is.
- It's now or never. Snow won't lie long at this time of year. It may be gone in a few hours.
[...]