Also, ensure you breastfeed well. A well-fed baby should sleep for at least 2 - 3 hours in between feeds. Make sure he empties the breasts at each feed too.
The sleep patterns will change no need to worry about it.
It is very normal. Baby dictates your sleeping time now so learn to curl in bed and sleep when he is sleeping so that you can be alert for him at night. He will change soon.
Expecting? Start Tracking your baby's development week by week below
The sleep patterns will change no need to worry about it.