Dr. Basavaraj S Kumbar Consultant- Internal medicine, Aster Whitefield Hospital

As a doctor, one of the most frequent complaints I come across among different age groups is this
combination of poor sleep, constant tiredness, hormonal imbalance, and a vague feeling of “being
unwell” even though all the tests come out normal. Research is revealing that a powerful yet
frequently overlooked tool that affects these kinds of systems all at once is meditation.
Once considered a spiritual practice only, meditation is now very much in line with the findings of
neuroscience, endocrinology, and sleep medicine. To put it simply, meditation does not only calm an
agitated mind but it also initiates quite a few physiological changes that in due course affect sleep
cycles, hormone regulation, immunity, and risk of diseases of long duration.

Meditation and Sleep: Resetting the Brain’s Night Mode
Sleep problems that are common nowadays are mostly due to an over-excited nervous system.
What is termed as a frenetic lifestyle of long work hours, continuous exposure to various screens,
and chronic stress has become the brain’s greatest enemy as it keeps it in “alert mode,” hence sleep
becomes a rarity.
Stress and sleep deprivation constitute a vicious circle. On the one hand, sleep deprivation worsens
the ability to cope with stress. On the other hand, stress keeps the nervous system hyperactive
leading to sleep troubles.
By meditating one directly helps his/her body to calm down and be ready for sleep as meditation
practice triggers the parasympathetic nervous system the body’s rest-and-repair mode. Evidence
from brain imaging studies supports that mindfulness and focused-breath meditation lead to
decreased activity of the amygdala, the brain’s fear and stress centre, and at the same time, the
increased interaction between the areas of the brain responsible for emotional regulation.
From a clinical point of view, this means that an individual enjoys a shorter sleep latency (the time
that is taken to fall asleep), more deep non-REM sleep, and in addition, fewer night awakenings.
Unlike sleeping pills, meditation does not sedate the brain; rather it gives the brain its natural ability
to sleep it restores. Quite a few patients declare that even 10–15 minutes of meditation done in the
evening has greatly enhanced their sleep within a few weeks.

Hormonal Balance: Calming Cortisol, Supporting Melatonin
Stress hormones and sleep hormones operate in the same network. Over time stressed condition
has made chronic stress and high cortisol levels commonplace especially at night this is the time
when cortisol should be at its lowest and melatonin should start to rise.
There is evidence proving that meditation practice can dramatically lower cortisol levels during the
resting state. A decrease in cortisol not only gives the sleeper a good night rest but also makes the
whole system of insulin, thyroid function, and reproductive hormones stable. Thus, this information
can be very useful to the people who have PCOS, infertility, unexplained weight gain, or are suffering
from fatigue.

In addition, meditation helps in the regulation of melatonin secretion. The more the nervous system
is relaxed and the less the brain is stimulated mentally in the evening, the more melatonin
production is facilitated for the pineal gland. This way, it stabilizes the circadian rhythm – the body’s
internal clock that regulates sleep, digestion, and hormonal release.
Moreover, the practice of meditation has an influence on serotonin as well, which is a
neurotransmitter necessary for the stability of the individual’s mood and a precursor of melatonin.
That is why those who practice meditation on a regular basis very often say that in their case better
mood, improved sleep, and less anxiety occur simultaneously and not as separate effects.

Impact on Overall Health: Beyond Relaxation
The positive health effects of meditation go a long way beyond simply alleviating stress. From a
medical standpoint, the impacts of meditation encompass various bodily systems:
Meditation​‍​‌‍​‍‌​‍​‌‍​‍‌ is a tool to individuals to significantly lessen the chronic inflammatory conditions they
may suffer from. This is one of the ways by which the reduction in inflammatory markers like CRP
and IL-6 is brought about. Given that inflammation is the main source of health issues like heart
disease, diabetes, autoimmune disorders, and depression, the release of these anti-inflammatory
agents is of utmost importance ​‍​‌‍​‍‌​‍​‌‍​‍‌clinically.
One of the most convincing pieces of evidence in support of the cardiovascular benefits of
meditation is the example of high blood pressure. Those who meditate regularly may see their blood
pressure lowered, their heart rate variability improved, as well as their chances of cardiac events
brought about by stress reduced. People with high blood pressure as well as those at great risk of
developing heart disease due to their family history, can hardly overestimate the significance of
meditation as a lifestyle intervention that supports the condition and is becoming more and more
​‍​‌‍​‍‌​‍​‌‍​‍‌recommended.
Moreover, the immune system becomes stronger as well. Researchers have found that natural killer
cells have increased activity and antibody responses are better in people who engage in meditation
regularly. At the same time, this may be considered as one of the reasons why meditation has been
linked to fewer illnesses arising from stress and getting well faster.
On the mental health side, the practice of meditation changes the way the brain handles stress by
turning points instead of merely suppressing signs. Thus, it is a potent tool in anxiety, stress,
exhaustion, mild depression, and even chronic pain conditions.

A Prescription for Modern Living
Meditation does not call for long periods of time, costly equipment, or major changes in one’s
lifestyle. In a doctor’s view, its biggest power is in its regularity rather than in the length of time. A
very brief daily session is still capable of working wonders with the stress hormones, sleep patterns,
and, in general, physiological resilience.
In a world where living with chronic stress has become the norm, meditation is the balancing factor
that, silently but effectively, still manages to teach the body the healing process. On the whole, if
patients want to know what is that one single habit that acts as a support for sleep, hormones,

mental clarity, and general health in the long run, meditation is the one most likely to hold the top
position in the answer ​‍​‌‍​‍‌​‍​‌‍​‍‌list.