Melatonin ke hormone e hlahisoang ke pineal gland ea boko ho liphoofolo tse anyesang le batho.Hobane e ka etsa hore lisele tse hlahisang melanin e be khanya, ke kahoo e bitsoang melatonin, eo hape e tsejoang e le pineal hormone, melatonin, melatonin.Ka mor'a hore melatonin e bōpehe 'me e bolokoe 'meleng oa phaene, tsitsipano e nang le kutloelo-bohloko e etsa hore lisele tsa pineal li lokolle melatonin.Setho sa melatonin se na le morethetho o hlakileng oa circadian, o hatellehang mots'ehare mme o sebetsa bosiu.Melatonin e ka thibela hypothalamic-pituitary-gonadal axis, ea fokotsa litaba tsa gonadotropin e lokollang hormone, gonadotropin, luteinizing hormone le follicle stimulating hormone, 'me e ka sebetsa ka ho toba ho li-gonads ho fokotsa litaba tsa androgen, estrogen le progesterone.