
Sleep Science
The Biology of Nostalgia _ Why We Crave the Past at 2 AM
Late at night, the mind often drifts back to the past, wrapped in warm and bittersweet memories. In this soothing video, we gently explore the biology of nostalgia, why we crave the past at 2 AM, and how memory, emotion, and quiet shape these feelings. Settle in, relax your mind, and let calming science guide you into restful sleep tonight.

