G.S.
I am going through the same thing (6 month old & a 2 year old) and haven't really solved it yet but have found that reading a racy novel can help a little bit. I have never been a big fan of romance novels but they seem to be good for me right now - they don't require much time or brain power and can kind of get my mind thinking about something other than diapers, feedings, wondering whether I am teaching my kids enough, disciplining them properly...and the list goes on.