As we move toward bedtime, our bodies naturally lower their core temperature—an important signal that helps us ease into restful sleep. When our surroundings don’t support this cooling process, especially in warm rooms, falling asleep and staying asleep can become more difficult. That’s why understanding how temperature affects rest is key to creating a sleep-friendly environment.
Many people rely on fans at night for comfort, but fans don’t actually cool the air; they simply circulate it. While that airflow can feel refreshing at first, it may also come with some drawbacks. Constant air movement can dry out the nose, throat, and skin, leading to discomfort the next morning. In some cases, cool airflow blowing directly on the body may even cause minor stiffness or irritation—for example, waking up with a tight neck or shoulders. For sensitive sleepers, changing air currents can also make it harder to stay in a deep, consistent sleep cycle.
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