Meaning: During the cold season, some animals sleep for a long time.
Choice of Words: Animals are living things. Hibernate means to sleep for a long period of time. Winter is one of the four seasons, characterized by cold weather.
Alternative Expressions
Animals sleep during the winter because it's cold.
Meaning: This means that animals sleep for a long time during the winter because it is too cold for them to be active.
Choice of Words: The word "sleep" means to close your eyes and rest. "Animals" is a general term that refers to any living creature that is not a plant. "Winter" is the coldest season of the year, and "because" means that something is the reason for something else. When you put these words together, the sentence means that animals sleep during the winter because it is too cold for them to be active.
Animals go to sleep for a long time in the winter when it's cold.
Meaning: This means that animals sleep for a long time during the winter because it is too cold for them to be active.
Choice of Words: The word "go to sleep" means to close your eyes and rest. "Animals" is a general term that refers to any living creature that is not a plant. "Winter" is the coldest season of the year, and "when" means that something happens at the same time as something else. When you put these words together, the sentence means that animals sleep for a long time during the winter because it is too cold for them to be active.