Suspends the current thread for the specified number of milliseconds.

procedure Sleep(ATime: cardinal);

The number of milliseconds to sleep.

Sleep is a procedure used to suspend the current thread of execution for the number of milliseconds specified in ATime. While the current thread is suspended, control passes to other processes with an equal or higher priority.

Sleep encapsulates the platform-specific procedures or functions used to suspend the current thread of execution. For the Windows platform, the procedure used is Windows.Sleep. On the Linux platform, Sleep tries to select a non-existent socket handle for the specified number of milliseconds.