Small temperature drops throughout the night or constant airflow on the skin can trigger micro-awakenings—brief interruptions you don’t remember but that reduce sleep quality. Over time, this can lead to morning fatigue, brain fog, or low energy during the day.

5. You Notice Dry Skin or Irritated Eyes

Fans can accelerate moisture loss from the skin and eyes, especially in dry climates or air-conditioned rooms. If you frequently wake up with: