My 17 month old son has been sleeping fine(8 hrs straight) till last month. But since last one month he just wakes up crying at the middle of the might and starts screaming eventually. He screams so loud that we can not even ignore it. If we just let him scream then he goes back to sleep after about 45 mins. He sleep in his own room for last 4 months. If we try to go to his room to give him his water sippy cup and to calm him he starts screaming even more for us to pick him up. That worsens the situation.
Please help.
Please help.