sleeping habits 睡眠习惯

make one's bed 铺床
In America making your bed is considered a grown-up thing to do, but I never do it because if feel like its a waste of time.
在美国，(每天早上起来) 铺床被看成是一个非常成熟成年人的行为，但是我从来都不铺，因为我觉得浪费时间，没有必要。

insomnia 失眠
When I was little, I used to suffer from a severe case of insomnia and had a really hard time falling asleep at night.
在我还小的时候，有一阵子失眠非常严重，晚上入睡非常艰难。

snore 打呼
I used to snore a lot.
我过去打呼打得厉害。

blanket hog 睡觉抢被子的人
I imagine your problem when sleeping is that you are a blanket hog. You seem to have that type of me-first personality.
我猜你睡觉的坏毛病应该是抢被子。你看起来就是那种以自我为优先的性格！

nightmare 噩梦

sleepwalker 梦游者
I am actually a sleepwalker!
其实我睡觉梦游。

sleeptalker 睡觉说梦话的人
My best friend is actually a SLEEP TALKER and you can actually have entire conversations with him while he sleeps.
我最好的朋友睡觉讲梦话，你基本上可以和他进行一整段对话。

grind one's teeth 磨牙（也可以表示生气时的咬牙切齿）
My brother has a really bad problem grinding his teeth.
我的弟弟睡觉磨牙磨得厉害。

stiff neck 字面意思为僵硬的脖子，可以用来表示英文当中的落枕
Sometimes when I sleep on my couch, I get a stiff neck.
有时候我睡在沙发上，就会落枕。