Almost everyone knows someone who does this. The room is warm. The fan is running at full speed. The air conditioner is already on. Yet they still cannot sleep without a blanket. Sometimes they cover their entire body. Sometimes they keep only one foot under it. But completely removing the blanket feels impossible. At first glance, this may seem irrational. Why would someone need extra covering when they are already hot? Psychology suggests this habit is rarely about temperature alone. For many adults, blankets become emotional comfort objects that help the brain transition into a state of safety and relaxation. The body may be warm, but the brain is often searching for security. In many ways, blankets become one of the earliest tools humans associate with rest.
