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Have you ever wondered what is the importance of day and night, what is the role of sleep, how do we set a good circadian rhythm? Well all this revolves around the hormone melatonin!
Setting up the circadian rhythm helps in production of good amounts of melatonin hormone. Melatonin does help in reducing the pigmentation, anti-ageing and also reduces hair fall so on and so forth.
Dr. Pallavi Sule, Dermatologist and Aesthetic Physician, starts by first explaining the meaning of Melatonin: “Melatonin is a hormone primarily secreted by the pineal gland which is known to regulate the sleep-wake cycle. Usually it is consumed in the form of tablets to help people in jet lag, shift works by regulating the circadian cycle as a short term treatment for trouble in sleeping”.
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How does melatonin get secreted?
The pineal gland is sensitive to light. When it is dark the body secretes more melatonin and prepares the body to sleep and when it is day/ light (artificial lights) the production of the hormone decreases. Low levels of the hormone give brain signals to stay awake.
So what’s new about this hormone and why is it studied in more detail than before?
Sule said: “The hormone is also known for its antioxidant benefits!! We all are living in a very stressful environment, be it the external or internal stressors like pollution, food consumed (adulteration), solar radiation, sleep patterns, work environments and so forth!! Any kind of stress releases free oxygen radicals in the body, which damages our DNA, causing degenerative diseases and autoimmune diseases. Oxidative damage also leads to aging and hair fall which we know is one of the major causes.The hormone serves as a potent antioxidant, presumptive anti aging substance and anti cancer agent.”
Let’s understand how sleeping according to the body clock helps our body in general health and well being!
Sule further elaborates on this imperative subject adding, “Maintaining good sleep hygiene and a good sleep quality has many advantages. The sleep wake cycle governs two hormones- Cortisol and Melatonin.”
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Release of Human Growth Hormone: Experts estimate that 75 per cent of this hormone is released during sleep. It is released in the Stage 3 of sleep cycle which is usually 1-1.5 hrs after one falls asleep. Sleep deprivation or altered cycles affects the release of this hormone. In children it will affect the growth and health.
Sleep and its relation with Liver: There is a great relationship between sleep cycles and liver functions. Scientific studies suggest that most patients with advanced liver diseases have disturbed sleep patterns. The liver has its own clock for detoxification and regulation of hormones. Disturbed sleep results in raised cortisol levels (stress levels) and vice versa. This hampers the regulation of hormones by the liver. Here, now the liver is overworked and cortisol levels in the body are high during daytime. This circulating cortisol hampers the liver’s regulations of melatonin and so the melatonin hormone levels are also high during daytime. Resulting in day time fatigue and drowsiness, and night time alertness.
Lastly, how can we increase melatonin levels?
“Many formulations are available in the market in the form of tablets and gels for topical application. But we must not forget the most important factor in production of the right amount of melatonin hormone in the body is sleep.” (IANS)
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The other factor is that the traditional players are very strong in the consumer laptop market. Top 3 players control more than 70 per cent of the market and strong portfolio, distribution, and channel reach as well as brand marketing has helped them massively. "New brands can surely make a dent in the consumer laptop market but are challenged by supply issues right now. Watch out for them in 2022 as and when supply situation eases up," Navkendar Singh, Research Director, Client Devices & IPDS, IDC India told IANS.
Dominated by HP Inc, Lenovo and Dell, the traditional PC market (inclusive of desktops, notebooks, and workstations) in India continued to be robust as the shipments grew by 50.5 per cent year-over-year (YoY) in the second quarter (Q2), according to IDC. Notebook PCs continue to hold more than three-fourth share in the overall category and grew 49.9 per cent YoY in 2Q21, reporting a fourth consecutive quarter with over 2 million units. Desktops also indicated a recovery as shipments grew 52.3 per cent YoY after recording the lowest shipments of the decade in 2Q20.
According to Prabhu Ram, Head, Industry Intelligence Group, CMR, driven by the pandemic and the associated accelerated pivot to remote work, learn and unwind culture, PCs have been witnessing heightened demand. "Despite the current supply chain constraints, PCs are here to stay in the new never normal. In the run-up to the festive season, established PC market leaders will continue to leverage their brand salience and gain market share," Ram told IANS.
HP maintained its lead in the India PC market with a 33.6 per cent share as its shipments grew 54.2 per cent annually. Dell Technologies continued to hold the second position with a 22.1 per cent share and an impressive 86.1 per cent YoY growth in 2Q21. Lenovo maintained the third position with a share of 17.8 per cent in 2Q21.
Arvind Suraj, Research Fellow, Jawaharlal Nehru University (JNU), said that there is always a trust issue with new brands. "You won't buy a laptop in 6 or 7 months just like smartphones. In this case, we often go for existing players. Brands like Lenovo, HP, ASUS and Acer have already gained our trust," he said. (IANS/ MBI)
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