Cats sometimes meow non-stop, which can be caused by a variety of reasons. Sometimes cats meow because they are upset or worried. If your cat keeps lying down and meowing, it may be because he is uncomfortable or in pain. In this case, it is recommended that you take it to the vet. Sometimes cats meow because they are hungry, thirsty, need to clean the litter box, or need human companionship.
If your cat keeps meowing while lying down, you can try to check whether its basic needs are being met, and consider giving It provides extra attention and care. Another possibility is that cats meow louder during mating, especially female cats. In this case, it is recommended that you consider neutering your cat. In conclusion, if your cat keeps lying down and meowing, it is recommended that you take him to the vet to make sure that he is in good health.