DS is 4.5 months and has never been a fantastic sleeper but has been fairly good until the last 2 wweeks.
He used to do something like the following (might be shifted an hour either side):
8pm bedtime, either settled or fed to sleep
11pm wake, feed, nappy, feed to sleep by 12 ish
2am wake, feed, nappy, feed to sleep by 2.30
5am wake, feed, nappy, feed to sleep by 6
6.30 wake, play, brief naps when feeding 7.30ish, play
9-9.30am feed to sleep nap on me
11-1pm feed, sleep (could be put down)
2-3pm feed, nap on me
4.30-5.30 feed, nap on me either fed to sleep or settled
7-8 feed repeatedly, possibly a nap
Now he keeps the 8pm bedtime but will only sleep on me during the day, usually not for more than 30 mins (see below), and will only feed to sleep. Night wakings are every hour - some will be feed, nappy, feed; others will be very brief feed & back to sleep; often there will be "it's playtime!!!!! WHEEEE!!!!!" usually around 4am and he won't go back to sleep other than catnaps until he gets totally overtired and sleeps on me for 3 hours some time in the middle of the day.
I get here's a 4 month sleep regression and that we're right in the middle of it.
What should I do now to try to sort out the messed-up sleep?
Needless to say I'm a biit tired so would like to improve things before teething/ weaning start...