Health encyclopaedia - Alphabetical Topic List健康百科全书-按字母顺序排列的主题清单
| | A | | 1 | | | B | | b | | | C | | 人才招聘 | | | D | | | | | E | | 电子 | | | F | | f | | | G | | 克 | | | H | | h | | | I | | 我 | | | J | | j | | | K | | k | | | L | | 升 | | | M | | 米 | |
| | N | | n | | | O | | o | | | P | | p | | | Q | |常见问题 | | | R | | 研究 | | | S | | | | | T | | 吨 | | | U | | u | | | V | | v | | | W | | 瓦特 | | | X | | x | | | Y | | y | |
Insomnia失眠
Insomnia is when a person cannot sleep properly.失眠是当一个人不能睡觉。 It is hard to define what is ‘normal’ sleep because it varies from person to person.这是很难界定什么是â € 〜 normalâ € ™睡眠，因为它不同，由人传人。
Difficulties with sleep can appear in a variety of ways:困难与睡眠可以出现在以各种方式：
- Difficulty getting to sleep (sleep onset insomnia) - most common in young people.困难睡眠（睡眠发作失眠） -最常见的在年轻的人。
- Waking in the night (frequent nocturnal awakening) - most common in older people.醒来，在昨晚（频繁，夜间觉醒） -最常见的在老年人身上。
- Waking early in the morning - the least common type of sleep disturbance.醒来早在上午的-至少常见的睡眠障碍。
- Not feeling refreshed after sleep.不适，重新整理后的睡眠。 The person has trouble functioning normally during the day, feeling irritable, tired, and having difficulty concentrating.该人有麻烦，正常运作期间，一天，感觉烦躁，疲倦，和有困难的集中。
A person has chronic (severe or long-lasting) insomnia if it continues for several weeks (more than three).一个人有慢性（重度或长期持久的）失眠，如果它继续几个星期（以上三） 。 Chronic insomnia can lead to psychiatric (mental health) problems such as depression, or abuse of alcohol or other drugs.慢性失眠能导致精神（心理健康）问题，如抑郁症，或滥用酒精或其他药物。
Adults usually need, on average, 7 to 8 hours sleep a night, but this can be more or less depending on the individual.成年人通常需要，平均， 7至8小时睡眠一晚，但我们可以更多或更少依赖于个人。 As people get older, they tend to find they need less sleep but they are also more likely to take naps during the day.随着人们年龄的，他们往往找不到他们需要的睡眠较少，但他们也更可能采取国家行动方案在白天进行。 Young babies may spend the majority of their day asleep, while children of school age require an average of 10 hours.年轻的婴儿可能会花大部分的他们的天睡了，而学龄儿童的需要，平均10个小时。
