Hi sleeping pattern differs in every baby and will vary till age of six months after that It will become constant gradually thus don't worry

Yes after six months you can start semi solid foods along with bm or fm...

And consult with your Paediatrician regarding formula milk they will suggests you the best one which suits to your baby...

Hi give only breastmilk exclusively till age of six months after that u can give formula milk and semisolid food both along with breastmilk

Hi give only breastmilk exclusively till age of six months after that u can give formula milk and semisolid food both along with breastmilk and let your baby lie down on left lateral position to minimize the spitting after feed

That's fine,
Normally for new born babies only,if they are on formula feed,needs to give every 3 hrs once,it takes time for digest...

And your baby is 5 months old...you can give like that...

Hi you can give 2 times a day

Hi you can give both breastmilk and formula milk both, give lots of fluids in the diet and simple homemade food like khichdi daliya etc And give 2 times semisolid diet and rest of the times breastmilk or formula milk both

Hi latch baby frequently to the breast so that baby can suck and will increase the supply of milk as in response to sucking of baby breastmilk increases as its a reflex action and take lots of fluids in the diet and avoid caffeine and junk food both and take lactonic granules twice a day in milk

Just because of bottle and hygiene or with formula milk also if we are giving by spoon or just adding in cereals?

Hi no you should not use, and give only breastmilk exclusively till age of six months after that u can give formula milk and semisolid food both along with breastmilk