-/**
- * @ingroup simix_process_management
- * @brief Creates a new sleep SIMIX synchro.
- *
- * This function creates a SURF action and allocates the data necessary
- * to create the SIMIX synchro. It can raise a HostFailureException if the
- * host crashed. The default SIMIX name of the synchro is "sleep".
- *
- * @param duration Time duration of the sleep.
- * @return A result telling whether the sleep was successful
- */