We go slow, use calm voices and make sure our patients are comfortable and not stressed or scared. (sdpetdoc.com)
For instance say «no» in a firm, yet calm voice instead. (welovemalteses.com)
If they are asleep do not attempt to wake them, but just talk to them in a soothing calm voice affirming them of your presence and love. (toddler-activities-at-home.com)