I don't have any pets or service animals right now.
I have had German Shepherds, trained to Service Animal status in the past. My last one passed on from an aggressive cancer.
We are currently "in transition" with housing, affected by the flooding 4-5 years ago. When we are finally more settled in, I expect I'll have another dog, likely a Service dog. I have C-PTSD and cannot sleep well without my dog around (guarding). She'd always alert me to anything/everything I'd needed to know, day and night.
WC