Quick answer: Zopiclone is generally licensed for short-term use; regular longer-term treatment needs careful review.
Duration limits
UK product information describes treatment as a few days to two weeks, with a maximum generally of four weeks including tapering.
Tolerance
The same dose may become less effective over time, encouraging escalation and increasing dependence risk.
Review questions
A review should consider benefit, daytime impairment, falls, other sedatives, dependence and non-drug alternatives.
Planning an exit
A tapering plan should be agreed before reducing treatment, especially after regular use.