The reason why dogs lie down on the ground with their limbs straightened may be because the weather is relatively hot, and dogs need to fully contact the ground to achieve the effect of heat dissipation; it may also be that dogs find this sleeping position more comfortable. Generally, puppies and short-legged dogs Dogs, or dogs with softer bodies, are more likely to sleep in this position. It is normal and there is no need to worry.
Tip:
Dogs sleep in a variety of positions. The more relaxed the environment, the weirder the dog's sleeping position. .