"You might have heard of amyloid plaques that are associated with Alzheimer's. They build up and they're washed through during the right types of sleep. We lay down memories, and we concentrate them. We also find pathways and connections between other memories from different times."
"I do have a problem with all the cortisol hacks out there. Cortisol is an essential part of our circadian rhythm. It rises in the early part of the morning, at maybe five or six o'clock in the morning, and it's meant to peak so that it gets you up and makes you function."
Good-quality sleep facilitates clearance of amyloid plaques linked to Alzheimer's by washing them out during appropriate sleep stages. Sleep consolidates memories, concentrates them, and creates pathways that connect memories from different times. Rising public interest in cortisol has produced many so-called "cortisol hacks," which can be misleading. Cortisol functions as an essential component of the circadian rhythm and naturally rises in the early morning, around five or six o'clock. That morning cortisol peak exists to promote wakefulness and enable normal daytime functioning. Respecting natural sleep and cortisol rhythms supports memory health and daytime performance.
Read at Irish Independent
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