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Does Swara Yoga prove a link between human biological cycles and the cycles of the sun and the moon?
I’m amazed I’ve managed to live as long as I have while only recently noticing that there is something very interesting about my nose – not just my nose, but everyone’s nose. If you don’t know what I’m on about, may I suggest you try a simple experiment? Close your mouth and breathe in through your nose. So far so good? Now, lightly press a finger against the side of one nostril, sealing it off, then breathe in gently. Okay? Now, release the blocked nostril, seal up the other one and breathe in again. Notice anything odd? The chances are you will find that while one nostril feels relatively clear, the other will seem a bit congested, requiring more effort to get the air through. If they both feel about the same , then try again in another thirty minutes. Keep checking throughout the day.
What I’m driving at here is that at certain times of day you’ll notice one nostril will feel clearer than the other.
And they alternate.
This phenomenon has been known about for a long time of course. It forms the basis of an ancient technique called Swara Yoga – swara meaning “flow of air”. It was developed to a sophisticated degree in India, and reputedly goes back to the pre-Vedic era, which would make it over four thousand years old. What these early scholars proposed was that the switch from one nostril to the other was also accompanied by a change in humour, or mood. Taking this a step further, they surmised that the timing of these cycles was linked to the lunar and solar cycles as well the cycle of the then known planets. From these ideas, they developed a complex system which placed the individual’s natural rhythms in the context of the greater rhythms of the earth and the universe.
As well as paying heed to the rhythmic alternations between right and left nostril breathing, it was discovered that the cycle could be adjusted, so that if you found yourself running out of sync with the natural world, so to speak, you could bring yourself back in line – or you could temporarily change your mode of breathing in order to suit whatever it was that you were doing. Early paintings of swamis and gurus sometimes show them with a crutch-like stick under one armpit as they sit meditating. Leaning on the stick, known as a “danda”, applies pressure to the armpit, and this was said to change the dominant nostril. There was no point meditating, they believed, if one nostril was more dominant than the other and the aim of these early swamis was to achieve a state of balance – a special condition where neither nostril is dominant.
Support for at least for some of the observations of Swara Yoga, comes from recent medical studies of the brain. The brain is divided into two halves – the left and right hemispheres, and it is known that each hemisphere tends to specialise in a particular mode of thinking. The left hemisphere shows greater levels of activity when we are presented with puzzles that require a rational, calculating, analytical or a linguistic approach. On the other hand when we’re engaged in artistic activities such as painting, drawing, writing, or anything else that demands a creative, abstract, fuzzy or intuitive approach, the right hemisphere becomes more active.
As individuals, we all have a particular preference for either left brain or right brain thinking. This is simply a part of who we are and how we approach life. However, studies have shown that the brain switches dominance between hemispheres several times during the day, alternating between left brain thinking and right brain thinking. Obviously, the whole brain is available to us regardless of the time of day, but there is a suggestion that we are better at tackling rational, logical problems at a time when the left hemisphere is dominant, or to put it simply, when our brains are in the correct mode.
Returning to the subject of Swara Yoga then, and the idea of an alternating, dominant nostril, it’s interesting to note that the same medical studies of the brain have also identified a direct link between brain mode and breathing. When the dominant nostril is the left hand one, it is the right hemisphere of the brain that is dominant, conversely, Right nostril: Left brain. This seems to suggest that the early pioneers of Swara Yoga were correct in their observations and that there was indeed a link between the flowing nostril and the humor or mood of the individual. For a start, Swara Yoga seems to grant us a reliable indicator for judging which brain mode we’re in, a claim backed up by respectable scientific studies:
Left Nostril Clear = Right Brain mode: Creative, intuitive.
Right Nostril Clear = Left Brain mode: Rational, analytical.
But we can go further.
If we’ve been particularly diligent with our experiments, we might have noticed that during the switch-over from one nostril to the next there was a period when both nostrils felt about the same. This period corresponds to an exchange of energy between the two brain hemispheres: one is powering down while the other is ramping up. It’s during this hiatus that it is believed we are more prone to making errors or to lapses of concentration. If we can be aware of these crucial change-over periods, we can use them to time our natural breaks in the working day and to avoid pursuing any definite goals. Creative problem solving can be reserved for our right brain periods and tricky analytical problems for the left. Remaining in tune with our own rhythms in this way we can stay fresher throughout the day and feel less drained at the end of it
Or so the theory goes.
Delving more deeply into Swara Yoga, we learn that, according to the theory, our body’s rhythms do not remain fixed but vary, according to the time of the month and the year. Also we are told that it is inadvisable to carry out certain types of action at particular times of the lunar and solar cycle, also the cycle of the major planets. This sounds like Astrology, and indeed it is.
Astrology, as opposed to Astronomy, has rather a bad press in these rational times. There are many types of astrology, but they are all based upon the same premise – that the position of the major heavenly bodies at a given time can influence both world events and the lives of individuals. The most obvious mechanism by which the heavenly bodies achieve this, according to some astrologers, is by virtue of their gravitational field. However, the rational arguments against astrology also tend to hinge upon gravitational forces, saying that, for the major planets at least, the effects of their gravity, as felt upon earth, are far too weak to have any conceivable effect, that, in fact, the computer I’m typing these words into is exerting by far the greater gravitation pull upon my brain than, say, the planet mars. But what about the sun and the moon? It’s obvious that they exert a significant gravitational force on the earth – enough for example to raise the tides by twenty feet or more, twice a day! But are these tidal forces also sufficient to raise psychological or physiological tides in living things? There is much anecdotal evidence to suggest that they do, but scientific studies seem divided on the issue – some saying “no, don’t be stupid”, others saying “maybe – but we need to do another study to be sure because we dare not come right out and say that it does”. These studies have looked at things like fluctuations of the stock-market, accident and emergency admissions, also plant growth and other agricultural phenomenon. Perhaps the most obvious monthly cycle that all women – and married men – are aware of is the female menstruation cycle, or the dreaded “time of the month”. As its name suggests, this seems timed perfectly to a lunar cycle, all be it a personal one, but again the scientific evidence tells us there is no proven link, and that it’s just as likely to be a coincidence.
Now, personally, I have always been open to the idea that at least the solar and lunar components that raise tides on earth, could have an effect on human behaviour, for no other reason than that they appear to have a very large effect upon the earth. I have long been intrigued by the anecdotal evidence that supports this notion, and equally puzzled by the scientific studies that refute it, but a quick reminder of how gravity actually works makes it easier to see why it seems unlikely that gravity can be having any effect at all.
Tidal ranges vary with the phase of the moon. For example, at the full and New Moon periods, the tides are notably higher than at other times of the month, so it might, at first glance, seem unreasonable to deny that there could be a similar effect occurring in living organisms. However, the actual forces involved are still very small. It’s also wrong to imagine the moon as somehow “pulling” the earth’s oceans up into great bulges in order to form the tides, rather like a giant magnet. The mechanism is actually quite different, with the oceans “shearing”, or flowing sideways by a tiny amount which, although small, when taken taken overall adds up to large fluctuations around our coastlines. It is only by virtue of the almost unimaginably uninterrupted vastness of the earth’s oceans that the moon and sun can have any effect at all. The world’s substantially enclosed seas – the Caspian and the Black sea for example exhibit virtually no tidal variation.
When we try to get a feel for the actual force involved, we learn that it can only be detected by the most sensitive of instruments. How small is it? Well, if we imagine a butterfly resting on the back of our hand, the force it exerts upon us is many thousands of times times greater than the force exterted by the moon. Given this understanding then, a link between lunar phase and any human biological or psychological rhythms begins to seem seem less probable.
There is, however, another mechanism by which the sun and the moon might affect all living organisms, giving rise to cyclical variations in physical and psychological states: Geomagnetism.
Before going on to look at this in more depth, let’s see if Swara Yoga can point to any evidence of such a cyclical pattern in a human being – i.e. me!
Swara yoga recognises the following three modes of breathing:
i) Left Nostril (called Ida)
ii) Right Nostril(called Pingala),
iii) Both nostrils (called Shushumna)
The left nostril is associated with right brain activities: inner, mental, feminine, intuitive, abstract. It’s associated with the nightime, and the moon. The right Nostril is associated with left brain activities: logical, masculine, analytical. It’s associated with daytime and the sun. Breathing through both nostrils is said to be associated with spiritual activities: meditation, peace, equilibrium, oneness. It’s time is one of transisiton between dark and light ie at sunset or dawn.
According to the theory the active nostril should flow for 60-90 mins, then 1-4 mins Shushumna (both nostrils), before the other nostril becomes active, again for 60-90 mins etc
In Swara Yoga, both the sun and moon are said to have an influence on our breathing pattern. The lunar month is divided into thirty lunar days (in accordance with the Hindu calendar). The month is split into two halves, either side of the full moon, each half consisting of fifteen lunations, or “tithis”. The first half of the month is called the bright half, a fifteen “tithi” period during which the moon waxes progressively brighter. The second half, as the moon wanes is called the dark half.
It’s important to note that we are not talking about ordinary calendar days here but degrees of lunar separation with respect to the sun – a “tithi” or lunar day in the Hindu calender being a value in multiples of 12 degrees of separation. It’s duration in actual clock time will vary and in order to accurately relate this lunar day to the calendar day it’s best to use a special calculator such as the Panchang Calculator at www.swarayoga.org.
These fifteen days are split into consecutive periods consisting of 3 days each and, according to Swara Yoga, during the bright half of the lunar month, the left nostril should become active at sunrise on days 1-3, 7-9, and 13-15. On these days, the natural cycle will then involve an alternation between left and right nostril, and the rhythm should adjust itself so that the right nostril becomes active at sunset. On days 4-6, and 10-12, during the bright half of the month, the right nostril becomes active at sunrise, the alternating cycle of left to right nostril adjusting itself so that the left nostril takes over at sunset.
During the dark half of the lunar month, the process is said to be reversed – the right nostril taking over at sunrise on days 1-3, 7-9 and 13-15, the cycle adjusting itself over the course of the day so that the left nostril talkes over at sunset, while on days 4-6 and 10-12, the left nostril takes over at sunrise and the cycle adjusts itself so that the right nostril takes over at sunset.
Swara Yoga then suggests that we should be able to detect the effects of both the time of day (solar) and month (lunar) on our breathing patterns, simply by observing the air coming in and out of our nostrils.
Checking for the dominant nostril should only take a moment. You press lightly on the side of the nose, gently closing off one nostril, and you try to breathe normally through the open one. Repeat on the opposite side. Usually, the difference between them will be distinct. However, sometimes it will be hard tell and you end up guessing. If you have the time you can check throughout the day at regular intervals say every thirty minutes, check also if you wake up before dawn, and try to remember which nostril was flowing, so you can make a note of this also.
All of this might be difficult, depending on your lifestyle, but it only takes a second and if you’re discrete, it can be done in the company of other people without them realising what you’re up to.
I managed to maintain a fairly close eye on my breathing for a period of two weeks, either side of the full moon, which occurred on November 15th 2008. The first thing I noticed was that my own rhythms were nowhere near so neat and regular as Swara Yoga says they should have been. Far from having a regular left to right rhythm lasting ninety minutes per side, with a thirty minute changeover, one side would dominate for most of the day, with only brief periods of change of an hour or so, before reverting back to the dominant nostril, which was the right nostril (left brain thinking), during both the run up to the full moon, and after it.
There was however a noticeable changeover from one nostril to the other at dawn, the left nostril(right brain) usually operating before sunrise, before the right one took over and largely dominated throughout the day. There was no noticeable change-over around sunset. Unfortunately then, I could not say that the lunar phase had any bearing at all upon the results of this, admittedly, rather brief study. As for the sun, I was intrigued by the changeover at dawn from left to right breathing – However, the fact that there was not a corresponding switch back from right to left breathing at sunset suggested there might be something else going on here. I can only speculate on this, and believe it might have something to do with light. At the time of the study, dawn coincided with my normal get-up time, while at sunset, the darkness was rendered ineffective by the use of electric lights until I finally went to bed – in other words the normal daylight cycles had been substantially interfered with by artificial light, and this could have explained why my breathing didn’t exhibit a changeover at sunset. Another explanation could have been simply down to which side I was lying while sleeping. Pressure applied to one armpit is said to cause the nostril on the opposite side of the body to become more open – therefore it could be that my sleeping habits determine which nostril is dominant when I wake, rather than any environmental factors.
Another pattern I noticed was that when my left nostril was flowing, (right brain) I was often writing or engaged in some other “artistic” activity, though I cannot say for certain if I was drawn to these activities by the brain mode, or that by sitting down to carry out these activities, the brain mode was forced to switch over to suit what I wanted to do. I did try to deliberately change the flow of the breath by physical means – applying pressure under the armpit as though with a yoga danda, but without success, though this could simply have been due to my lack of skill in this area. Further experiments in simply lying on my side, did reveal a seemingly reliable correlation – lying on my left side would cause the right nostril to open and vice versa.
I found no convincing evidence of a lunar or solar rhythm affecting the patterns of my breathing. However, there were a number of curious observations that suggest at least a practical, physiological basis – if not an astrological one – for the practice of Swara Yoga.
(1) I found it was possible to change which nostril is dominant by lying on your side – the higher nostril being the one that would dominate – so if you lay on the left side for a while the right nostril will dominate and vice versa.
(2) I found that when most absorbed in right brain type activities – writing, drawing, the brain mode was correctly indicated by the more dominant nostril. Therefore, either the brain mode lured me into carrying out those activities, or persevering in them caused the brain to switch over to suit the situation in hand.
This has certainly been an interesting subject to play around with. Though I was unable to confirm the effect of the full moon on my breathing patterns, there is a clear link with the dominant nostril and the dominant brain hemisphere. Also, as the Yogis have been telling us for thousands of years, it would seem we can change the dominant nostril. Techniques for doing this vary – the most reliable one for me being simply lying on one side. Whichever nostril is the higher – i.e. furthest away from the ground will become dominant. This has possible applications in mediation and overcoming writer’s block. The Yogis aim for the balance point – neither left or right brain dominant. My own meditation comes nowhere near the level of sophistication achieved by more dedicated adepts, so I’m happy to accept their greater knowledge of these things for now. But if you do meditate, it might be worth considering this aspect and experimenting with it. However, for me, meditation is about letting go and it’s perhaps not wise to become distracted over the presence or the absence of a dominant nostril
For writing, things are a little clearer: you need a right brain bias. That’s when I find it flows best of all – the words I mean. So if you’re a writer and you’ve hit one of those dark periods when you’re really struggling with it, perhaps the best thing you can do is go and have a lie down on your right side for a bit, check the left nostril – and therefore the right brain – is dominant, then sit down and try to write some more.*
References:
Swara Yoga, the Tantric Science of Brain Breathing: Swami Muktibodhananda, Bihar, India
*errata – I’ve had my left and right brains muddled up in this paragraph. Apologies for any confusion. Right brain thinking is of course associated with artistic activities like writing and drawing – not left brain as I have been showing here for a while.
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