Mental or Behavioral Dysfunction
middle insomnia
mid·dle in·som·ni·a
Definitions related to middle insomnia:
  • Difficulty maintaining sleep.
    NCI
    U.S. National Cancer Institute, 2021
  • Waking up after falling asleep without difficulty and then having difficulty in falling asleep again. Compare with initial insomnia and terminal insomnia.
    Sadock's Comprehensive Glossary of Psychiatry and Psychology
    BJ Sadock Titles Press, 2012
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