【各种睡眠问题】1. insomnia/sleeplessness 失眠；2. sleep deprivation 缺觉、睡眠不足；3. sleep disorder/somnipathy 睡眠失常/障碍；4. jet lag 时差综合症，由时差造成的疲劳和睡眠障碍；5. night terrors 夜惊；6. teeth grinding (bruxism)磨牙症；7. nightmare 噩梦；8. sleepwalking 梦游