To disturb or take away rest; to deprive of peace or tranquility.
From dis- + rest (from Old English rest). The prefix dis- inverts the meaning, making it mean the opposite of rest—disturbance or unrest.
This is an archaic word, but it's beautifully concise—'disrest' in one word means what we'd now say as 'deprive of rest.' Medieval writers used this when describing how wars or anxieties disturbed people's peace.
Complete word intelligence in one call. Free tier — 50 lookups/day.