Learn how the "Golden Hour" of morning light helps North American seniors reset their internal clocks, improve mood, and fight age-related sleep issues

Sleep and hearing may seem like distant cousins in the physiology of aging—but emerging research suggests they may actually be intertwined.

Sleep is not just rest—it’s a nightly neural housekeeping. For older adults, preserving high-functioning memory, attention, and executive control depends in part on how well and how much one sleeps. In this article, we explore the science linking sleep to cognition, examine its relationship to dementia risk, and provide guidance for healthier sleep routines in later life.