2 month old baby drinks 1.5 oz formula milk every hour. Less breast milk. At night 7 hours sleep and not fed. Is it proper? Giving zincovit drops too.

Overnight sleep! . Yes, a 7 hour stretch of sleep is appropriate for a 2 month old. Congratulations! On demand feeds are best while awake. Is she gaining weight well? This is the best indicator of her milk intake's adequacy. Best of luck! .