@Wendy my friends daughter has lows in her sleep which she isn’t awake for but you can hear her thrashing about. You may only find out about these lows if your high when you wake up the next morning. Generally the body kicks in and the glucogen stored in your liver starts to replace the missing glucose. (Do correct me guys if I’m wrong in the naming of said liver store) …but Wendy don’t panic. I suppose it is worth once in awhile setting the alarm for every two hours to test to find your pattern(boring!) I wake up and find it difficult to get back off to sleep after 1/2 hr I get fed up and test and yes I’m low.