16week old wakes up every hour at night

[MichelleEnglish]

My 16week old daughter, weighs 15lbs has for the past 3 weeks been waking up every hour after 1.30am.  I'm on the EASY routine, have been since she was 4 weeks old and it works wonders.  She used to be a good sleeper and is no problem to go down for naps.  When I tried to get her to start sleeping thru from her Dream feed at 10.30 it went well for a few nights.  Then she started waking, I would give her the Dummy.  Now I'm not sure if she is waking for the Dummy or is actually hungry.

[M and N's Mom]

4 months seems to be a common time for problems with paci addiction.  Do you think that might be the problem?  When she wakes and you give her the paci, does she go right back to sleep?  If so, she may have developed a suck-to-sleep association and when she wakes, if the paci has fallen out she doesn't know how to put herself back to sleep.

Also, you said you are on EASY.  It might be time to transition to a 3.5 or 4 hour EASY if you haven't already.  The wrong EASY can contribute to night wakings.