| 释义 |
hy·per·som·nia
\ˌhīpə(r)ˈsämnēə\ noun
(-s)
Etymology: New Latin, from hyper- + -somnia (as in Latin insomnia)
1. : sleep of excessive depth or duration
2. : the condition of sleeping for excessive periods at intervals with intervening periods of normal duration of sleeping and waking — compare narcolepsy, somnolence |