The eyes of a senior black dog in a deep sleep on the floor

narrow focus animal eyes sleepy pet sleeping dog senior sleeping dog sleepy dog face headshot of a sleepy dog aged signs gray hair sign of aging series domestic animals lying down mammal napping pets relaxation resting sleeping old senior animal closeup cute focus on foreground canine labrador black labrador retriever black retriever lie down laying down elderly animal senior pet cuteness old pet old doggy old labrador black doggy doggy nose closeup view close up angle close up perspective sleepy eyes tired eyes tired age signs narrow focus laying on floor closed eyes detailed focus