hypnagogic

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

sleep inducing
• Syn:
soporific, soporiferous, somniferous, somnific, hypnogogic
• Similar to:
depressant
• Derivationally related forms:
soporific (for: soporific)

• Từ đồng nghĩa / Synonyms:
  soporific, soporiferous, somniferous, somnific, hypnogogic