Definition

1. Noun:
   • Somnambulism: A state or condition of walking or performing other complex behaviors while asleep or in a sleep-like state. This is the direct medical and psychological term.
   • Sleepwalking: The common, non-technical term for the act of walking during sleep.

Usage Examples

• Noun:
  • Miên hành là một chứng rối loạn giấc ngủ. (Somnambulism is a sleep disorder.)
  • Anh ấy bị miên hành. (He suffers from sleepwalking.)
  • Các bác sĩ đang nghiên cứu hiện tượng miên hành. (Doctors are researching the phenomenon of somnambulism.)

Advanced Usage

• The term is primarily used in formal, medical, or academic contexts. In everyday conversation, the descriptive phrase "mộng du" (literally "sleep-wander") is more commonly used than "miên hành."

Variants and Related Words

• Mộng du (n): Sleepwalking. This is the more frequent and colloquial synonym.
  • Đứa trẻ hay bị mộng du. (The child often sleepwalks.)
• Người miên hành (n): Somnambulist; a sleepwalker.
  • Người miên hành có thể không nhớ gì vào sáng hôm sau. (A sleepwalker may remember nothing the next morning.)

Synonyms

• Sleepwalking: The common English equivalent.
• Somnambulism: The formal, technical synonym.

Related Idioms

• There are no common idioms directly using the word "miên hành." The concept is typically expressed literally.