Its mentioned in Ayurveda about the Drinking of milk

bhojnantay cha pivet Paya !
nishantay cha pivet dugdham!
divantay cha pivet jalam !
vaidayasaya kim proyajanam!!

it means after lunch need to take butter milk,
before sleeping luke warm milk and once get woke up in early morning need to drink as much normal drinking water.. body get be perfect and no need to go for any doctor or vaidya..
make it warm and then drink water chong and do what i had told u its really nice for ur body..
regards
adwait tripathi