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每晚多睡一小时到底值不值？经萨里大学研究，从每晚睡6.5小时调整到睡7.5小时，对压力水平和疾病风险的影响也是很大的，罗森博格博士详细分析了每晚多睡一小时对整体健康有巨大影响的六大原因。 1. It Can Help You Have Healthier Eating Habits 睡眠有助于你养成更健康的饮食习惯 Studies from Berkeley have shown that lack of sleep can lead to junk food cravings, so sneaking in that extra hour of rest can help keep your body craving the right nutrients it needs. Not sleeping well can also lead to overeating, so getting that much needed shuteye can help you avoid eating more than your body needs. "Lack of sleep causes an appetite stimulating hormone called ghrelin to be produced in excess," Rosenberg tells me in an email. 伯克利的研究表明，睡眠不足会勾起对垃圾食品的食欲，所以多出一小时的休息时间有助于身体摄入正常营养所需。睡不好也会导致暴饮暴食，睡觉有助于避免摄入量超过身体所需。“缺乏睡眠导致促食欲激素——胃促生长素的生产过剩，”罗森博格在发给我的一封电子邮件里提到。 2. It Boosts Your Immunity 睡眠足增强免疫力 You can load up on all the vitamin C and chicken soup you want, but if you aren't getting enough sleep at night, you are much more likely to get sick. "Several studies have demonstrated that sleep deprivation inhibits our immune system. In fact antibody responses to vaccination are inhibited when we do not get enough sleep," says Rosenberg. Adults need about seven hours of sleep to keep their immune system up, so if you can get in an extra hour closer to that, you'll likely be calling in for less sick days. | 
