Homeless Needs Sleep

My sonehas had the same routine for the most part since he was able to be put on a routine went to bed at 8pm slept till 5am hes now 7 months old teething and just got over a double ear infection after many visits to the emergency room and for the past month or so hes been getting up every 2 hours at night really frustrating!!!! please help me i do the cereal the bath before bed and all that good stuff it just isnt making a difference im getting wicked frustrated!!!! HELP PLEASE