Circadin improves sleep latency

Circadin equals zopiclone in time to fall asleep. In the same study there was no significant difference between Circadin and zolpiclone in total sleep time, sleep latency, number of awakenings or time spent awake after sleep onset

 

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References

1. Paul MA, Gray G, Sardana TM, Pigeau RA. Melatonin and zopiclone as faciliators of early circadian sleep in operational air transport crews.
Aviat Space Environ Med 2004: 75(5): 439-443