circadian rhythm

Light Exposure and Sleep After 35: Morning Brightness, Evening Darkness, and Circadian Timing

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Light exposure and sleep after 35 can feel like a small detail until it becomes the question sitting in the middle of a healthcare visit. For women after 35, the topic may be layered with fertility timelines, pregnancy monitoring, sleep changes, prior losses, medication decisions, or the ordinary fatigue of trying to make careful choices … Ler mais

Shift Work and Sleep After 35: Circadian Timing, Hormones, and Recovery

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Night and rotating work schedules ask the body to be alert when its internal clock promotes sleep and to sleep when daylight promotes wakefulness. After 35, this mismatch may feel more noticeable when caregiving, perimenopause symptoms, pregnancy planning, or changing recovery needs are added to the schedule. There is no perfect routine that removes every … Ler mais