Friday April 19, 2019

Sleep benefits: People who love sleeping have another reason to doze off!

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New Delhi: Sleep is said to take one-third of our life. And there must be a good reason why nature makes us sleep for this long. A large number of studies all over the world has shown the beneficial effects of good sleep.

Sleep deprivation, on the other hand, results in impairment of judgement, depression, heart problems, obesity and a drastic reduction in the general well-being of an individual. In an extreme case, sleep deprivation has also resulted in death through heart failure. In fact, the first sign of sickness is fretful sleep.

How lack of sleep produces ill health has remained a mystery. Now, slowly, scientific investigations are solving this puzzle.

One of the accepted theories so far has been that sleep helps in both consolidation and removal of memories. We perceive the world during the day through our senses and it results in memory formation both shallow and deep. Sleep, it seems, helps in consolidating and removing some of these memories uncluttering the brain.

Another recent, but fascinating, theory (backed with experiments) has shown that sleep helps in flushing out toxic protein waste and biological debris from the brain, formed during waking hours. It seems that during sleep the relaxation of the brain helps in opening up the channels through which the debris flows into the blood streams and is removed from it.

Studies have also shown that sleep helps flush out harmful protein plaque (beta amyloid) which is responsible for neurodegenerative diseases like Alzheimer’s and dementia.

Thus good sleep is extremely essential for a healthy brain and body.

The build-up of toxins in the brain due to inadequate sleep also affects the body. Though there is very little understanding of how this happens, a probable cause is the passage of this information by the vagus nerve to different parts of the body.

Scientific investigations have also shown that information of any slight change in the brain chemistry is transmitted to various organs by the vagus nerve, which plays an important part in keeping the brain and body in unison.

As the brain starts getting affected by the debris build-up, the message via the vagus nerve to various organs might be to slow them down, resulting in their lethargic action.

Just like deep sleep, meditation also enables dissolution of memories. In fact, deep sleep and meditation have similar characteristics and it is quite possible that during meditation the flushing of toxins from the brain may also take place.

A possible mechanism could be that since meditation results in the relaxation of the brain, it may help in opening up the channels for flushing off the chemical debris.

Memory is formed both by producing new neural pathways and certain chemical changes in the brain. Memory removal, therefore, is affected by changes in both these mechanisms.

In deep meditation (where the focus is on a single thought for a long time, also called Sanyam) new neural pathways are formed and the old ones get dissolved. This dissolution may have a chemical signature thereby producing toxic debris which needs to be flushed out.

How can we induce good sleep? Generally, when the body is healthy and the person follows a good exercise regime, then this helps to produce deep sleep. Production of deep sleep can also be helped by meditation. Studies world over have shown that long-term practice of meditation helps in toning both the mind and body.

A good meditation practice to follow for quickly falling asleep is to close the eyes and focus attention on the center of the forehead. This can be done just before going to sleep and also when one wakes up at night and has difficulty in falling asleep again. (Anil K Rajvanshi, IANS)

Next Story

New York City’s Mandatory Measles Vaccination Order Stands Still

The health department's lawyers argued that quarantining was ineffective because people carrying the virus can be contagious before symptoms appear.

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Materials are seen left at demonstration by people opposed to childhood vaccination after officials in Rockland County, a New York City suburb, banned children not vaccinated against measles from public spaces. VOA

Brooklyn judge on Thursday ruled against a group of parents who challenged New York City’s recently imposed mandatory measles vaccination order, rejecting their arguments that the city’s public health authority exceeded its authority.

In a six-page decision rendered hours after a hearing on the matter, Judge Lawrence Knipel denied the parents’ petition seeking to lift the vaccination order, imposed last week to stem the worst measles outbreak to hit the city since 1991.

The judge sided with municipal health officials who defended the order as a rare but necessary step to contain a surge in the highly contagious disease that has infected at least 329 people so far, most of them children from Orthodox Jewish communities in the borough of Brooklyn.

Another 222 cases have been diagnosed elsewhere in New York state, mostly in a predominantly ultra-Orthodox Jewish neighborhood of Rockland County, northwest of Manhattan.

The New York outbreaks are part of a larger resurgence of measles across the country, with at least 555 cases confirmed in 20 states, according to the U.S. Centers for Disease Control and Prevention.

Health experts say the virus, which can cause severe complications and even death, has spread mostly among school-age children whose parents declined to get them vaccinated. Most profess philosophical or religious reasons, or cite concerns — debunked by medical science — that the three-way measles-mumps-rubella (MMR) vaccine may cause autism.

The judge rejected the parents’ contention that the vaccination order was excessive or coercive, noting it does not call for forcibly administering the vaccine to those who refuse it.

He also dismissed assertions in the petition disputing the “clear and present danger” of the outbreak. “Vaccination is known to extinguish the fire of contagion,” the judge said.

FILE PHOTO: A sign warning people of measles in the ultra-Orthodox Jewish community of Williamsburg in New York City, April 11, 2019.
A sign warning people of measles in the ultra-Orthodox Jewish community of Williamsburg in New York City, April 11, 2019. VOA

Secret identities

The vaccination order, which was extended this week, requires residents of certain affected Brooklyn neighborhoods to obtain the MMR vaccine unless they can otherwise demonstrate immunity to measles, or face a fine.

The court challenge was brought in Brooklyn’s Supreme Court by five people identified only as parents living in the affected neighborhoods. Their identities were kept confidential to protect their children’s’ privacy, their lawyers said.

In court on Thursday, they told Knipel the city had overstepped its authority and that quarantining the infected would be a preferable approach.

Robert Krakow, an attorney for the parents, estimated that just 0.0006 percent of the population of Brooklyn and Queens had measles. “That’s not an epidemic,” he said. “It’s not Ebola. It’s not smallpox.”

The health department’s lawyers argued that quarantining was ineffective because people carrying the virus can be contagious before symptoms appear.

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The vaccination order, which was extended this week, requires residents of certain affected Brooklyn neighborhoods to obtain the MMR vaccine unless they can otherwise demonstrate immunity to measles, or face a fine. Pixabay

The judge cited 39 cases diagnosed in Michigan that have been traced to an individual traveling from the Williamsburg community at the epicenter of Brooklyn’s outbreak.

Also Read: Short-Circuit Likely The Cause of Notre Dame Fire, Claims Police Investigators

The surge in measles there originated with an unvaccinated child who became infected on a visit to Israel, where the highly contagious virus is also running rampant.

The number of measles cases worldwide nearly quadrupled in the first quarter of 2019 to 112,163 compared with the same period last year, the World Health Organization said this week. (VOA)