In this, the 21st century, the century of the brain, the one word that we need to pay attention to is no longer Plastics, but it could very well be Glymphatics. A network of fine vessels in the peripheral organs, including our limbs, carries that fluid that gets exuded from our blood back into the … Continue reading “I just want to say one word to you. Just one word. Glymphatics.”
via Can sleep be mastered?
Given all the books being written about sleep, it is apropos to ask ourselves if reading all this stuff is doing us any good. Are we sleeping any better? Or is the public fetishisation of sleep leaving us worrying and wide awake at night? In this context, an article by Zoe Heller - "Why we … Continue reading Can sleep be mastered?
There is emerging evidence showing that lack of sleep is associated with the accumulation of beta-amyloid in the brain. Since beta-amyloid is the protein that has been linked to the pathology in Alzheimer's disease, it is hypothesized that a chronic lack of sleep increases predisposition to Alzheimer's dementia. There is evidence from clinical studies, of … Continue reading Emerging Science: Does sleeping more protect against dementia?
There are two mechanisms that influence sleep. One is the sleep-inducing homeostatic mechanism; it is what makes us feel sleepy, in proportion to the time we have spent awake. The homeostatic mechanism is likely a consequence of the molecular/metabolic changes in the brain that accumulate during the wake period. The other is the alerting circadian … Continue reading The Sleep Tango: Kickstarting sapience
The mantra of 7-8 hours of sleep is based on large population studies. Individuals vary in sleep requirement and this is a function of: How efficient your sleep is: Deep slow wave sleep (Stages 3-4 NREM sleep) is the most restorative. Frequent interruptions to sleep - say due to obstructive sleep apnea or a noisy … Continue reading How much sleep is enough sleep?
by Swami Subramaniam From The Hindu Oct 7, 2018 (https://www.thehindu.com/opinion/open-page/death-before-dawn/article25144489.ece) Dozing off at the wheel is causing a growing number of casualties on Indian roads Recently, a young family travelling on a Kerala road met with a road accident. A gruesome tragedy. But this accident did not draw attention because it was horrific. It drew attention because … Continue reading Death before dawn