GL>      Sharon , there are generally three dosage levels of
GL>      melatonin:  300 mcg; one mg; and three mg.
GL> 
GL>      So your dosage level is at the lower end.  Some people
GL>      report taking a higher dosage of melatonin causes a
GL>      sleep "hangover" effect.
I didn't exactly research it or anything, I just picked up a bottle of 
it at the local pharmacy.  But we've found it just fine, and never had a
problem with the sleep hangover effect.
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