The reasons why dogs suddenly become barking recently:

1. When there are abnormal noises around, dogs will bark to remind their owners. Generally, dogs will stop barking after the noise stops. .

2. When a dog is hungry, thirsty, etc., it will bark to attract the owner's attention. The owner should prepare sufficient food and water for the dog.

3. Dogs will keep barking when they want their owners to play with them, so owners can interact more with their dogs.

4. A dog that has just arrived in a new home may bark randomly because it is not used to it. The owner should comfort it more.

5. Some dogs are more vigilant and will bark non-stop when neighbors or dogs pass by your home.

6. Dogs will let you know by barking when they feel unwell, so if there is any abnormality, they should be sent to the hospital for examination and treatment in time.

7. Many dogs are very timid, so they need to hide their inner uneasiness by barking. The owner can comfort the dog more.

8. The dog will bark when it wants to go out, so the owner should take the dog for a walk in time.

9. If a dog barks when it feels there is danger around it, the owner should gently stroke the dog's head to calm the dog's mood.

10. Dogs will bark when they are stressed. Try to stay with the dog as much as possible to comfort the dog. You can also use snacks and toys to distract the dog's attention.

11. So when a stranger or animal tries to approach its territory, the dog will bark out of instinct. There is no need to worry at this time.

12. When a dog sees someone it likes or a familiar companion, it may bark. This is its welcome sound.

13. If the dog next door barks, your dog will often bark too. They may be communicating with each other, chatting, etc.

14. When dogs want to do something but cannot do it, they often express their dissatisfaction by barking.

15. If the owner is not around for a long time, they will feel very anxious. When they feel anxious, they will bark continuously and walk around non-stop.