根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 （Ⅰ） How to Sleep Better If you're having tro uble getting good sleep through the night (turning, waking up more than once, for example), this text will tell you what you can do to ensure a peaceful night's sleep. 1．Get on schedule. Ch anging your sleeping time by more than an hour can severely disturb your sleep quality. __1__ For example, if you normally wake up at 6 a．m. on weekdays to get to work, you might go to bed around 10 p．m., because that's when you start to feel sleepy, and it's also a good time to ensure 8 hours of sleep. If, on the weekend, you sleep until 9 a. m．， you probably won't be able to fall asleep that night until 1 a．m. 2．__2__ Wait at least three hours after dinner before going to sleep. Digestion slows down while asleep, and a full stomach may interrupt sleep. Similarly, you should avoid going to bed with an empty stomach, as a completely empty stomach may equally disturb your sleeping patterns. 3．__3__ Expos ure to light during the time when you're supposed to be sleeping can disrupt your body's internal clock. Turn your light off, or use a very dim night light. __4__ They include windows, LED clocks, computer lights and cable boxes. 4．Change your sleep ing position. You may think that it's impossible to control what position you sleep in since you aren't fully aware of what you are doing, but it is possible and it can make a considerable difference. __5__ A．Try to avoid all sources of light. B．Keep the room as dark as possible. C．Make note of unusual circumstances. D．Be mindful of what you eat or drink before bed. E．Sleep is consid ered to be adequate only when there is no daytime sleepiness. F．In other words, sudden change of sleeping time will affect your “biological clock”． G．So if you wake up in the middle of the night, make an effort to have a comfortable position. 【分析】本文讲述如何才能有更好的睡眠质量，作者提到四点建议。 1．【解析】[根据上文的“ Get on schedule. Changing your sleeping time by more than an hour can severely disturb your sleep quality.”可知要遵循一定的时间表入睡，而改变睡眠时间可能会影响你的睡眠质量，这与F项意思一致。] 【答案】F 2．【解析】[根据下文的 “Wait at least three hours after dinner before going to sleep.”可知，吃饭后至少要过三个小时再去睡觉，故选D项(注意你睡前所吃或喝的东西)。] 【答案】D 3．【解析】[根据下文的“Exposu re to light during the time when you're supposed to be sleeping can disrupt your body's internal clock.”可知，光线会扰乱你的生物钟。故选B项(尽可能保持房间黑暗)。] 【答案】B 4．【解析】[根据上一句“Turn y our light off, or use a very dim night light.”可知，要关闭所有的灯或使用光线暗的夜灯，故选A项(努力避开所有的光源)。下文的“windows, LED clocks, computer lights”等都是光源。] 【答案】A 5．【解析】[根据上一句“You may think that it's impossible to control what position you sleep in since you aren't fully aware of what you are doing, but it is possible and ... ...
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