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| comment | | "parent_author":"",<br>"parent_permlink":"science",<br>"author":"muhammadibra",<br>"permlink":"healthy-sleep-with-light-on-or-off-60d1f04b3aaf6",<br>"title":"Healthy Sleep,<br> With Light On or Off?",<br>"body":"![image (https:\/\/img.esteem.ws\/3cw8h23xuq.jpg)\n\n*Sleep is one activity that we must do and with the right time.*\n\n*Adults need 7-8 hours to sleep,<br> while children and adolescents take approximately 10 hours.*\n\n*Skipping sleep time is not good for the body and can damage the digestive system of the body. Not only that,<br> lighting during sleep will be bad for health.*\n\n***So,<br> how should sleep? With lights on or off?***\n\n*The importance of sleeping without the slightest use of light has been investigated by experts.*\n\n*According to Joyce Walsleben,<br> PhD.,<br> A member of the lecturers association at New York University School of Medicine,<br> even though we are asleep,<br> light can still be detected by the eyelids and our brain will not produce melatonin.*\n\n*Walsleben also said that we need darkness in the darkest room we can still face without stumbling on something (can still detect the existence of things).*\n\n#### *What if we sleep with the lights on?*\n\n#### *1. Increase the chances of getting cancer*\n\n*Night lights are a significant risk factor for developing breast cancer,<br> according to researchers who reviewed data from 1699 women and published their results at Chronobiology International.*\n\n*But other scientists argue that any disorder in the circadian rhythm may trigger the release of stress hormones and this can increase the risk of cancer.*\n\n#### *2. Artificial light makes body fat*\n\n>*Our 24-hour body circulation controls some hormones like,<br> ghrelin,<br> insulin and serotonin that affect appetite,<br> fat storage,<br> and mood.*\n ![image (https:\/\/img.esteem.ws\/s3gieqnp93.jpg)\n\n*Therefore,<br> things that interfere with circulation can lead to obesity,<br> type 2 diabetes,<br> and depression. In fact,<br> doctors and scientists are also becoming worried about the discovery of this case by the American Medical Association.*\n\n#### *3. Cause insomnia*\n\n*Some experts believe that turning on the lights at night can cause biological effects.*\n\n*A study at Harvard found that nighttime room light lighting coming from incandescent lights can reduce melatonin levels,<br> making it difficult for us to fall asleep.*\n\n*It's not just the lights above our heads that are harmful,<br> but the entire level of lighting that can be found at home at night like computer screens,<br> televisions,<br> and cell phones can suppress melatonin secretion.*\n\n*In 2011,<br> a study notes that the lighting produced by a computer screen 5 hours before bedtime can affect circadian rhythms by delaying the release of melatonin.*\n\n#### *4. Influencing menstruation*\n\n*The study reported that the rotation of the worker shifts,<br> resulting in increased nighttime lighting levels,<br> and influencing the menstrual cycle of female workers.*\n\n*The study involved 71,<br>077 women who participated in the Nurse Health Study II. About one in five participants worked on the night shift for at least 1 month in 2 years before the study was held.*\n\n*The more time the work shifts are spent,<br> the less irregular their menstrual cycle.*\n\n#### *5. Causes depression*\n\n*Sleep disturbance is strongly associated with the risk of depression and depression experience.*\n\n*The study,<br> published in the journal Molecular Psychiatry,<br> shows that nighttime lighting,<br> although dim and just equivalent to sleeping lights,<br> can improve physiological changes as occurs in rodents.*\n\n*In hamsters,<br> dim light at night triggers behaviors such as depression and changes in the brain.*\n\n*This can occur due to disrupted circadian rhythms and also the suppression of melatonin,<br> according to Tracy Bedrosian,<br> a PhD candidate in the neuroscience department at The Ohio State University in Colombus.*\n\n*The good news is that the symptoms will disappear when normal lighting conditions return.*\n\n#### [sources of reviews\ud83d\udcd1 (https:\/\/lifestyle.kompas.com\/read\/2018\/05\/15\/212100120\/tidur-yang-sehat-dengan-lampu-menyala-atau-mati-)\n\n Follow Me @muhammadibra\n\n![U5dt3tL2Hdxn6hZZeagcyCDUCwTU2EC.gif (https:\/\/steemitimages.com\/DQmPoBnwsjqRHZPMvMRm3Tkxb35EXgLAaCAmWENJcm1yJkD\/U5dt3tL2Hdxn6hZZeagcyCDUCwTU2EC.gif)\n\n\n\n#### <center>*May Be Useful*<\/center>\n\n#### <center>*Thank for all Steemians in visiting my blog*<\/center>\n\n### <hr>\n### <hr>\n### <center>See You On The Next Blog<\/center>\n### <hr>\n### <hr>",<br>"json_metadata":" \"links\":[\"https:\/\/lifestyle.kompas.com\/read\/2018\/05\/15\/212100120\/tidur-yang-sehat-dengan-lampu-menyala-atau-mati-\" ,<br>\"image\":[\"https:\/\/img.esteem.ws\/3cw8h23xuq.jpg\",<br>\"https:\/\/img.esteem.ws\/s3gieqnp93.jpg\",<br>\"https:\/\/steemitimages.com\/DQmPoBnwsjqRHZPMvMRm3Tkxb35EXgLAaCAmWENJcm1yJkD\/U5dt3tL2Hdxn6hZZeagcyCDUCwTU2EC.gif\" ,<br>\"users\":[\"muhammadibra\" ,<br>\"tags\":[\"science\",<br>\"health\",<br>\"newbieresteemday\",<br>\"steemit\",<br>\"esteem\" ,<br>\"app\":\"esteem\/1.5.1\",<br>\"format\":\"markdown+html\",<br>\"community\":\"esteem\" " | | comment_options | "author":"muhammadibra",
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