When the room is too hot, your body struggles to lower its core temperature, leading to restlessness and sweating. Conversely, when it’s too cold, your body expends energy to stay warm, which can cause you to wake up during the night.
Many people use fans at night to improve airflow, but fans don’t actually cool the air—they simply circulate it. On warm nights, this may not prevent overheating, and on cooler nights, it can make your room uncomfortably cold.
