Why Sleep Changes After 30: The Science Behind Adult Sleep Shifts and How to Adapt Introduction Many adults begin to notice subtle but frustrating sleep changes in their early thirties. Falling asleep takes longer. Nighttime awakenings become more frequent. Deep, refreshing sleep feels harder to achieve. These changes are not random. Scientific research clearly explains

How Blue Light Disrupts Sleep: what to do to sleep better naturally. What Is Blue Light? Blue light is a short-wavelength, high-energy light emitted by the sun and artificially by screens, LED lighting, and digital devices. During the day, blue light is beneficial because it: Increases alertness Improves mood Regulates circadian rhythm The problem arises