Fireflies facts, relaxing nature science, bioluminescence explained calmly, science to fall asleep | Sleepy Science Teller As night gently settles in, tiny lights begin to glow in the darkness. In this deeply relaxing episode from Sleepy Science Teller, we share the most calming facts about fireflies, carefully told to help you unwind, relax, and fall asleep peacefully. Through slow, soothing narration, discover how fireflies create their soft glow, why bioluminescence evolved in nature, and how these gentle insects communicate through quiet flashes of light. Everything is explained calmly, without urgency — allowing your thoughts to soften and drift. This is not a fast lesson or a loud documentary. It is a soft science experience, designed for bedtime listening, background relaxation, or peaceful sleep. Let the slow rhythm of nature guide your breathing and quiet your mind. 🌙 Close your eyes, listen softly, and let the gentle glow of science carry you into rest.