Mental or Behavioral Dysfunction
terminal insomnia
Definitions related to terminal insomnia:
  • A type of insomnia characterized by waking up too early in the morning is known as early morning awakening. The termination of sleep must occur at least 30 minutes before the desired time.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • Early morning awakening or waking up at least 2 hours before planning to wake up. Compare with initial insomnia and middle insomnia.
    Sadock's Comprehensive Glossary of Psychiatry and Psychology
    BJ Sadock Titles Press, 2012
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