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April 8, 2021 By Srini Leave a Comment

Sleep Series: The Chemistry of Sleep

sleep series: chemistry of sleepDifficult to believe? Yes it is true. The perfect sleep is the result of a complex reaction from 2 main chemicals. Adenosine is a neurochemical which accumulates during “wake” and drains during “sleep”. Imagine a specially made hourglass, but one which builds up for approx. 16 hours of our wake cycle and drains within 8 hours of our sleep cycle. The receptors of Adenosine inform the brain that “stock levels are up” and it is time to relax and sleep. As sleep kicks in, stock levels of Adenosine goes down and receptors send a “wake up” signal to the brain.

Adenosine is the primary inducer of sleep-wake cycle. It reduces neural activity and sets you to start sleep. Interestingly, Caffeine blocks the Adenosine receptors and creates the opposite effect.  There we go – as to why we feel a bit fresh and brisk after a cup of coffee – it is an illusion we create by confusing the brain! The body’s excretion system works hard to flush Caffeine. It takes 5-6 hours to flush out just 50% of this possessive chemical.

I’ve mentioned Adenosine over Melatonin as the primary sleep chemical because I wanted to impress upon the impact of Caffeine. We take Caffeine in many forms – Coffee, Cola, energy drinks, etc. Caffeine also impacts the Dopamine and Serotonin chemical reaction, thereby causing a significant disruption of the normal neural activity. 

Do let Adenosine do its job naturally, you will sleep on time and naturally! Caffeine interferes with several hormonal/neurochemical reactions related to sleep. Do not consume Caffeine beyond lunchtime and in any case, beyond 4pm. 

The Magical Darkness Hormone – Melatonin

Melatonin is the second chemical responsible for enabling “onset” of sleep. It detoxifies the body of free radicals and other toxins. It starts secretion as soon as darkness sets in and it peaks by midnight. The synthesis of melatonin occurs through a multistep complex chemical process:

  • It all starts with food – food contains an amino acid called tryptophan. Foods like Milk, oats, nuts contain more tryptophan. 
  • Tryptophan is absorbed from the bloodstream to the pineal gland in the brain.
  • First, tryptophan is converted to another amino acid and then to a brain chemical called Serotonin. 2 Enzymes are involved here!
  • Serotonin’s conversion to melatonin involves two more enzymes.
  • All chemicals discussed here follow complex routines and they are part of a chain which is amazingly responsible for the onset of sleep. On top of it all, there is a closely coordinated play of the “Brain-Gut complex” to get this right!

How Can You Aid This Natural Process For Good Sleep? 

DON’T intervene in the natural process! Supplements can’t get you anywhere near the good quality sleep offered by this natural process.  

  • Beware of Caffeine! – Stop post lunch consumption
  • Consume foods high in tryptophan – consult your GOQii coach
  • Gut (Serotonin storage) has its role in sleep, so keep it clean and healthy
  • Get used to darkness after dinner to catalyze natural Melatonin 

Adenosine has other functions such as certain cardiac functions as well. This article does not deal with them. An enzyme is a biological catalyst that speeds up the rate of a chemical reaction and an amino acid is an organic acid used to make proteins usually obtained from food. OTC Melatonin – a small dose is usually fine to get over jet lag. 

We hope this article on the Chemistry of Sleep helps you!  Stay tuned for more from the Sleep Series by Srini! To read more about sleep and sleeping techniques, check out Healthy Reads or tune in to LIVE sessions by experts on GOQii Play. 

#BeTheForce 

March 17, 2021 By Srini 2 Comments

Sleep Series: In Praise Of Darkness!

sleep series

In the beginning there was only darkness and then, light came out of darkness! Light and darkness are not two different and opposing things. Society has made a villain out of darkness. Darkness is used as a synonym of all things sinister. We are trained from childhood to look at darkness with fear.

In Hindu religion, darkness is deified – we have “Maha Kaal” and “Maha Kaali” – in religion this could either mean “darkness” or “time” – there is close relationship between them, but that is for another day. 

There is darkness everywhere – interstellar, intergalactic is just darkness.

Modern living has opted for lights of high luminescence. The poor old incandescent light of 60 watt (tungsten filament bulb) has a luminosity of 400-800 lumens whereas the modern day LED lamps can produce the same lumens at just 5 Watts. Where we had one incandescent light, now we have at least 4 LED! Which means we are consuming 5 times more light! 

Light has to be light ( Pun intended)

Since we fear darkness, we have created a social necessity (business necessity?) for bright light, whereas the number 1 villain for good sleep is LIGHT! Many of us know of the bad impact of blue light emitted from phones, laptops and tablets. Evenings are intended to be a journey to acclimatize to emerging darkness and night time is intended to be pitch-dark by nature.

So, for a good night’s sleep, the gradual reducing of lighting and luminosity is a must. Which means after 7:30pm, you should: 

  • Slowly switch off lights and send a signal of reducing light to the eyes
  • Make the bedroom pitch-dark for sleeping
  • Immediately activate “night mode” in Laptops and Phones

This could easily be the first step towards good sleep! Remember that you are meant to sleep in darkness. The sleep hormone Melatonin (more about this later) is highly impacted by luminosity. Darkness is key to sleep. Light is an inhibitor of sleep. Embrace the darkness, start falling in love with it! Darkness is the source of all light, time and space and is a good first step to a good sleep.

We hope you enjoyed reading this article so far. Stay tuned for more from the Sleep Series! To read more about sleep and sleeping techniques, check out Healthy Reads or tune in to LIVE sessions by experts on GOQii Play. 

#BeTheForce  

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