Additionally, there is a functional alteration during the various stages of sleep. In nonrapid eye movement (NREM), a state of cardiovascular relaxation occurs during stages three and four.

Jan. 16, 2025 — A new report shows the benefit of wearing contact lenses for slowing myopia has a lasting effect -- good news since 50% of the world (5 billion people) will likely be nearsighted ...

Feb. 25, 2025 — Blue-enriched light can improve sleep quality and daily activity in older adults living at home, according to new research. Researchers found that ... Impacts of Workplace ...