可可电台，每期节目一话题，让英语磨练耳朵的同时学到更多有益的小知识，丰富知识的同时受益于生活。

things you might have been told about sleep but aren’t completely true.

你可能听说过的有关睡眠的事，这些都不是完全正确的。

Everyone Should Get 7-8 Hours of Sleep Per Night

每个人每晚都要睡够七八个小时

Everyone's sleep needs are different, and the quality of your sleep matters more than how much time you spend asleep. That said, the National Sleep Foundation offers recommendations based on age group, from newborns who need 14-17 hours of sleep each day to adults 18-64who should get 7-9 hours each day, and older adults who should get 7-8 hours each day.Children generally need more sleep. A Jawbone study found that people who sleep 8-9.5 hourseach night report happier moods the next day.

每个人的睡眠需求是不一样的，你的睡眠质量比睡觉时间长短重要得多。因此，国家睡眠基金会根据不同的年龄段提出建议，新生儿每天需要14-17小时的睡眠，18-64岁的成人每天7-9小时，年龄更大的人每天7-8小时。孩子一般需要更多的睡眠。Jawbone公司的一项研究发现每晚睡8-9.5个小时的人第二天情绪会更好。

One night of bad sleep—or no sleep—can definitely make you feel awful the next day, but if you're consistently tired or feel sleepy during the day, sleep might not be the issue. Your diet, stress, or an underlying medical problem could be the cause. Even allergies or the medications you're taking could zap your energy. Consider your sleep quality, of course, but also look into other possible causes.

一晚上没睡好，或没睡，第二天一定会心情不好。但是如果你白天总是疲惫不堪或昏昏欲睡，也许就不是睡眠的问题了。饮食、压力、潜在的健康问题都可能是原因。即使是过敏或正在服用的药物都可能击溃你的能量。当然要关注你的睡眠质量，但也要找找有没有其它因素。

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