睡不好还老失眠？看看是不是这7个原因_公共英语阅读理解

睡不好还老失眠？看看是不是这7个原因

Sleep difficulties are a common problem for millions of adults. Even if you can get to sleep, you might have trouble staying asleep. Does this sound familiar? You drift off to dreamland, but find yourself wide awake at 3 a.m., or maybe you wake up every few hours throughout the night. Adequate sleep is supposed to leave you feeling refreshed and ready to start your day. But if your sleep is interrupted, you’re likely to feel fatigued and sleepy the next day. So what gives? There are several factors that may interfere with getting your zzz’s including the following:

数百万成年人受到睡眠问题的困扰。即使你能够睡着，往往也可能睡不沉。听起来很耳熟？你睡着了，结果凌晨三点又醒了，或者你每隔几个小时就会醒一次。充足的睡眠理应让你软然一新，并使你为新的一天做好准备。但如果你的睡眠质量不高，第二天你就会感到疲劳和昏昏欲睡。这到底是什么造成的呢？下面列出了几点会影响你正常睡眠的原因：

睡不好还老失眠？看看是不是这7个原因1

Too much caffeine: You probably already know caffeine is a stimulant and can affect your ability to fall asleep. But it can also lead to poor quality sleep including waking up in the middle of the night. Caffeine has a three to five-hour half-life, which means it takes your body that many hours to get rid of half the caffeine you consumed. The bottom line is you may feel the effects of caffeine several hours after you consume it. Keep in mind, energy drinks, cola, chocolate and certain teas also contain caffeine. Your best bet is to avoid caffeine about six hours before bed.