sleeplessness/insomnia 失眠;
sleep deprivation 缺觉、睡眠不足;
sleep disorder/somnipathy 睡眠失常/障碍;
jet lag 时差综合症;
night terrors 夜惊;
teeth grinding (bruxism) 磨牙症;
nightmare 噩梦;
sleepwalking 梦游
