Troxel suggested the concern would be that sleep medications generally are not recommended as a long-term solution for insomnia.
“I’m a little surprised that melatonin showed benefits, since the overall evidence suggests it has limited effects as a sleep aid for most people,” she noted. “It may be that placebo, or expectancy effects, could also contribute, particularly in such a stressful context.”
“We know how important sleep is for healing and recovery, and it’s very normal to feel anxious and sleep poorly before a major medical procedure.”
Article source: https://www.foxnews.com/health/popular-sleep-aids-surgery-prevent-painkiller-dependence