Sleeping with a fan on is a common habit, especially during hot weather. Many people enjoy the cool breeze and steady hum, which can make it easier to fall asleep and block out distracting noises. For others, however, running a fan throughout the night may create small problems that become noticeable only in the morning. Constant airflow can contribute to dryness, irritation, muscle tension, allergies, or even disrupted sleep. These effects do not mean fans are harmful for everyone, but they can be a sign that your sleeping environment needs
How Your Nighttime Fan Could Be Disrupting Your Sleep Without You Realizing It
