There are a few things that will always mess up your child’s sleep; teething and illness are the most common.
During the teething/illness try and stick to your routines and to where your child is sleeping as much as possible. Give medications, drinks etc. to your child in their room. You really don’t want your child spending much time out of their room. When it’s nighttime it’s time to be in their bedroom. Try not letting your child into your bed, though if you have been up for hours and hours, sometimes sleep is more important.
During the night, give your child as much help as you need to. Stay with your child in their room until any medication you have given starts to work, or they are feeling better. You can hold your child; sit with them and even rock is fine if they need it. Try to avoid letting them fall asleep on you. When they are feeling better or, the medication has started to work (Tylenol usually starts to work after about 20 minutes), you can confidentially get your child to sleep in their bed.
Always write down the time you have given medication, you don’t want to accidentally give too much medication during the night.
Your child is a very quick learner. If you are doing things differently for more than 3 nights, then they will begin to become a new habit. Therefor, when they are no longer suffering with teething pain or the illness, you want to work on getting back on track as quickly as you can. Remember, the longer you are out of the good habits, the longer it takes to get back to the good habits.
When getting back on track after teething or an illness you may find the first night to be the most challenging. Preparing for this makes it easier for you to handle. The best way to get your child’s sleep back on track is to do the same as you did when you initially started sleep training. You want to go back to night one. Helping as needed, but your child falls asleep in the crib. During the night, you will want to wait for the urgent cry before going and helping then back to sleep. As the nights go on you want to become less and less involved. If your child was sick for 3 or 4 days it will take around 1 or 2 days to get back on track. If they were sick for 5 or 6 days, you can expect it to take 3 or 4 days to be back to good sleep skills. This is why it’s important to work on getting back on track as soon as your child is feeling better. The longer you leave it the harder it will be.