Cats cannot sleep on the balcony at night in winter. Cats are very afraid of the cold. If the temperature on the balcony is too low in winter, they will suffer frostbite to a large extent. If the temperature on the balcony is lower than 10 degrees, the kitten may freeze to death. Therefore, cats should be placed indoors to sleep at night in winter, and measures should be taken to keep them warm, prepare a warm cat nest, and wear a small piece of clothing for the cat to keep warm.

Notes on keeping cats warm:

1. Take the cat out as little as possible in winter to prevent the cat from getting cold and getting sick. If you want to go out, the owner needs to put the cat under the Put it in a windproof cat bag and cover it with a thick blanket.
2. If an electric heater is used to keep the cat warm, the electric heater needs to be safely isolated to prevent the cat from being injured.
3. In winter, cats should be fed more foods rich in protein and fat with balanced nutrients to reserve energy for cats to keep out the cold.