WARNA CAHAYA YANG BAIK UNTUK TIDURHOW A LIGHT BULB CAN HELP YOUR SLEEP BETTER

Para ahli kesehatan sejak lama menyatakan bahwa paparan cahaya berpengaruh terhadap jam istirahat tubuh. Itu sebabnya manusia mengantuk ketika berada dalam suasana gelap dan bangun ketika terang.

Penelitian terbaru menemukan fakta bahwa ada banyak cahaya yang memengaruhi ritme sirkadian tubuh. Peneliti dari University of California, Santa Cruz mengambil tikus sebagai obyek penelitian dan melihat bagaimana hewan pengerat ini dipengaruhi oleh warna cahaya tertentu.

Dilansir dari Mother Nature Network, peneliti ingin mengetahui apakah warna cahaya yang memengaruhi nukleus suprachiasmatic, bagian dari otak yang mengatur waktu pergerakan sinyal litrik dan kimia di dalam tubuh vertebrata. Peneliti menguji tikus dengan berbagai warna dan intensitas cahaya.

Menggunakan langit buatan, tikus diuji mulai dari cahaya paling terang hingga paling gelap. Mereka juga diuji dengan warna merah muda dan oranye yang sering dilihat saat matahari terbit dan terbenam.

Ketika tikus terkena berbagai warna umum, hewan ini bersikap normal. Namun, ketika mereka terpapar cahaya peralihan dari terang ke gelap yaitu oranye atau jingga, sinyal saraf suprachiasmatic mereka melemah 30 menit. Suhu tubuh mereka perlahan menurun dan si tikus terindikasi mengantuk.

Ada kemungkinan apa yang dialami tikus juga berlaku sama terhadap manusia. Dalam praktik nyata, peneliti mencontohkan dengan mengenakan kacamata bewarna oranye atau jingga di malam hari, maka mata seseorang lebih mudah mengantuk dibandingkan saat mata mereka tidak memakai kacamata.

Hasil penelitian ini bisa membantu para ahli kesehatan membuat pilihan-pilihan baru untuk terapi kesehatan. Warna-warna ini bisa membantu mereka yang menderita gangguan tidur, juga jet lag.

Sumber: republika.co.id

Feeling blue may not be all bad when it comes to enjoying a good night’s sleep.
Those with bedrooms this colour tend to get the best rest – nearly eight hours a night – and wake feeling happy and positive.
According to a survey, it is linked to calm, soothing feelings and is thought to slow the heart rate and even reduce blood pressure.

Green and yellow are also winners, with those choosing these colours clocking up roughly seven hours and 40 minutes of sleep.
However, it’s best to avoid purple, which is too stimulating and can cut nightly hours of rest to less than six. Grey and brown get the thumbs-down for being too dreary and depressing.

The study, carried out by Travelodge, looked into 2,000 homes across the country to investigate the influence of colour on quality of sleep.

They found that people sleeping in rooms decorated in calm colours, such as yellow, blue or green, received the best night’s sleep.

Chris Idzikowski, Sleep Expert from the Edinburgh Sleep Centre said: ‘This is an amazing result, as there are specialised receptors called ganglion cells in the retina part of our eyes, which are most sensitive to the colour blue.

‘These receptors feed information into an area deep in our brain that controls 24 hour rhythms, and affects how we perform and feel during the day. That interaction between light, sleep and wakefulness is supremely important.’

The study also found that Britons who sleep in a purple bedroom are, on average, only getting five hours and fifty six minutes sleep per night.

They say that the reason for this could be that the colour purple is mentally stimulating which makes it difficult to switch off after a busy day.

The other two least favoured colour schemes are brown, where sleepers obtain on average six hours and five minutes sleep per night and a grey colour scheme which results in individuals getting on average six hours and twelve minutes sleep per night.

Colour Therapy & Holistic Interior Design consultant, Suzy Chiazzari, said: ‘Your bedroom décor can certainly impact upon your quality and quantity of sleep per night.

‘Although many people think purple creates a sense of luxury in the bedroom, this colour can reduce the number of hours of sleep you attain.

‘Purple has a strong connection with the more artistic community being a colour reported to stimulate creativity and the unconscious mind. Therefore sleeping in a purple room is more likely to promote vivid dreams or even nightmares; resulting in you feeling tired in the morning.’

The study also found that colour affects other bedroom activities. Couples who sleep in a bedroom that is decorated in a caramel make love on average three times per week. But those who sleep in a red bedroom make love just once a week.

Britons who have a grey themed bedroom are the ones spend the most time shopping online in bed, while a fifth of Britons who have a silver décor in their bedroom reported they are more motivated to exercise in their bedroom.

Frances Whitley, Travelodge In-house Interior Designer said: ‘Room colour does influence your mood and set the tone for your living environment. Therefore it’s important to choose a bedroom décor that will help you relax and induce sleep.

‘I have spent the last 12 months working with our customers to create a purpose built room for them. In today’s modern world, Britons want a high level of co-ordination between colours, shades, patterns and features.

‘They are no longer happy with everything being the same colour. Tastes are also moving away from dark shades; today hotel users want a clean, fresh and calming colour scheme.’

Source: http://www.dailymail.co.uk/news/article-2325476/Want-good-nights-sleep-Find-colours-use-bedroom-avoid-decent-kip.html

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