my baby always wakes up in d middle of night n stays awake fr 4 hours n goes back sleep she started dng this when she became one year old now she is gng to b two year old in five days n now she is staying awake fr extra four hours in d middle of sleep n go back to sleep when she wants no matter whnever I make her sleep she wakes up in middle now it's happening daily it's very disturbing my sleep d sleep time changing daily frm night to day day to night when she wil fix one time to sleep I tried everything nt getting solution she has good height weight teeth everything good but she has nt started speaking yet she started babbling now so much