Multiple choice

'Inability to sleep' is known as _______.

  1. dyspnoea

  2. insomnia

  3. trachoma

  4. dysuria
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Insomnia is the medical term for inability to sleep or sleeplessness. Dyspnoea refers to difficult breathing, trachoma is an eye infection, and dysuria means painful urination. The term comes from Latin 'in-' (not) and 'somnus' (sleep).

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