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More than nine out of 10 young people expose themselves to the blue light from smartphones and tablets, before bed, causing problems with sleep.90%µÄÄêÇáÈË˯ǰ¶¼ÓÐÍæÖÇÄÜÊÖ»ú»òƽ°åµçÄÔµÄϰ¹ß£¬ÕâÆäʵ»áÓ°ÏìÄãµÄ˯ÃßŶ¡£
A new survey also shows more than 28m people in the UK regularly get no more than seven hours sleep a night.Ò»ÏîеÄÑо¿·¢ÏÖ£¬Ó¢¹úÔ¼2800ÍòÈË˯Ãß²»×ã7Сʱ¡£
Prof Richard Wiseman, who commissioned the YouGov poll described the findings as "extremely worrying".Ó¢¹úÖøÃûµÄ´óÖÚÐÄÀíѧ½ÌÊÚÀí²éµÂ¡¤»³Ë¹ÂüÊÇÕâ´Îµ÷²éµÄ·¢ÆðÈË£¬ËûÐÎÈÝÕâ´ÎµÄ½á¹û·¢ÏÖ¡°·Ç³£ÁîÈ˾¾ÐÄ¡±¡£
Of the 2,149 adults questioned, 78% said they used electronic devices before going to bed. This rose to 91% among the 18 to 24-year-olds questioned in the survey.ÔÚ±»µ÷²éµÄ2149λ³ÉÈËÖУ¬78%±íʾËûÃÇ˯ǰ»áʹÓõç×ÓÉ豸¡£ÆäÖÐ18-24ËêµÄµ÷²éÕßÖÐË¯Ç°ÍæÊÖ»úµÄÈËÊýìÉýµ½91%¡£
Getting less than seven hours sleep a night is below the recommended guidelines, and is associated with a range of problems, including an increased risk of weight gain, heart attacks, diabetes and cancer.˯Ãß²»×ã7СʱµÍÓÚÕý³£Öµ£¬»á´øÀ´Ò»ÏµÁеĽ¡¿µÎÊÌ⣬°üÀ¨ÌåÖØÔö¼Ó¡¢ÐÄÔಡ¡¢ÌÇÄò²¡ÒÔ¼°°©Ö¢¡£
"The blue light from these devices suppresses the production of the sleep-inducing hormone melatonin, so it's important to avoid them before bed time," said Prof Richard Wiseman, from the University of Hertfordshire.¡°µç×ÓÉ豸·¢³öµÄÀ¶¹â×è°ÁËÓÕ·¢Ë¯ÃߺɶûÃÉ¿¹ºÚ±ä¼¤ËصIJúÉú£¬ËùÒÔ˯ǰ×îºÃ²»ÒªÍæÊÖ»ú¡£¡±
Everyone needs different amounts of sleep, but adults are generally thought to require a minimum of seven to eight hours a night. Teenagers are recommended to get more, about nine hours.ÿ¸öÈ˶¼ÐèÒª²»Í¬Ê±¼äÁ¿µÄ˯Ãߣ¬µ«³ÉÈËÒ»°ã¶øÑÔ×îÉÙÐèÒªÆßµ½°ËСʱ¡£ÇàÉÙÄê×îºÃ˯µÃÔÙ¶àµã£¬´ó¸Å¾ÅСʱµÄÑù×Ó¡£
The proportion of people thought to be getting too little sleep had risen by a fifth since a "bedroom poll" conducted last year by the National Sleep Foundation.¶øÏà±ÈÈ¥Äê¹ú¼Ê˯ÃßлáµÄ¡°Ë¯Ç°µ÷ÑС±À´Ëµ£¬Ë¯ÃßÑÏÖØ²»×ãµÄÈËÊýÒѾÃ÷ÏÔÕǵ½20%¡£
The people surveyed were asked if they used a computer, tablet or smartphone in the two hours before bed. They were also asked about dreams and just one in ten agreed with the statement: "I would describe my dreams as pleasant."±»µ÷²éÕß¾ù±»Îʼ°ÊÇ·ñ˯ǰÁ½Ð¡Ê±Ê¹ÓùýµçÄÔ¡¢Æ½°åµçÄÔ»òÊÖ»ú¡£Í¬Ê±»¹×ÉѯÁËËûÃǵÄÃξ³¡£Ö»ÓÐ10%µÄÈËÉù³Æ£º¡°ÎÒ×öÁ˸öÃÀÃΡ±¡£
Last week it was revealed opticians were warning that overuse of smartphones may be increasing people's risk of eye damage. Optician Andy Hepworth said: "Blue violet light is potentially hazardous and toxic to the back of your eyes.ÉÏÖÜ£¬ÓÐÑé¹âʦ¾¯¸æ¹ý¶ÈʹÓÃÊÖ»ú»áÔö¼ÓÑÛ¾¦ËðÉ˵ķçÏÕ¡£Ñé¹âʦ°²µÏ¡¤ºÕÆÕÎÖ˼˵£º¡°À¶×ϹⱾÉí¾Í¶ÔÑÛ¾¦Óк¦¡£¡±
"So over a long period of time it can potentially damage your eyes. When you're looking at a smart phone, the light peaking out of that is blue violet.¡°ËùÒÔ³¤Ê±¼äÖ®ºó£¬»áËðº¦ÄãµÄÑÛ¾¦¡£µ±Ê¹ÓÃÊÖ»úʱ£¬Í¸³öµÄ¹â¾ÍÊÇÀ¶×Ϲ⡣¡±
The news came as a survey of 2,000 people suggests under-25s check their phones 32 times a day.ÕâÏîµ÷²é·¢ÏÖ£¬25ËêÒÔϵÄ2000λµ÷²éÕßÖÐÒ»ÌìÒª²é¿´ÊÖ»ú32´Î¡£
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