singuliar side affects

hi all iv wrote a few posts regarding my 3 year old son who had a constant night cough for about a month , he started his singualir last night took it on empty stomach as said on box, my consernes are is it normal for him to be so restless through out the night on this medication, he was so unsettled he ended up sleeping on his bedroom floor with his quilt on him, then i put him back in his bed but he was stirring all night and ended Up crawling into my bed early hours of the morning, is this to do with the singulair or no,

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Sorry to hear you're having problems. My daughter takes this but does not have the side-effects you describe; she sleeps well.

Good luck