At this age, you may notice that your baby seems to have this interest to interact with you more.
It is more alert too. In an earlier age, they may not sleep as often as before.
They may cut off one of their sleep and they somehow sleep longer.
At this stage, it would be a good idea to introduce the day and night cycles.
You can stimulate them to light and dark environment so they recognize the cycle.
You can open the window and let the light come into the room so the baby understands that it is day.
On the contrary, you can dim the light and create a dark setting to introduce your baby to night time.
Babies are smart creatures; they will soon understand.
Not only they understand sleeping habits, but they can also follow a planned baby sleep schedule.