Cutting action stops when computer sleeps (Mac)
The cut job sent to the Silhouette stops when the computer goes to sleep.
The computer going to sleep causes a lapse in the stream of communication.
Perform the following steps:
Close the Silhouette Studio® program
Go to the Applications folder to locate the Silhouette Studio program icon
Right-click and select Get Info
Check the box labeled Prevent App Nap
Re-open the the Silhouette Studio® program