Final answer:
In chapter 6 of 'Animal Farm,' the pigs convince the other animals that they are conducting research as an excuse to sleep in the farmhouse beds.
Step-by-step explanation:
In chapter 6 of the book, 'Animal Farm,' the pigs get away with sleeping in the farmhouse beds by claiming they are conducting research. They convince the other animals that their presence in the farmhouse is necessary for the success of the farm. By using the excuse of research, the pigs are able to sleep in comfort and avoid suspicion from the other animals.