Glucose level is on the nigh time.

 Level of glucose is  fluctuating on  the nigh time, when organism doing all needing restoring works and releasing glycogen  as stocked glucose from liver for giving energy, when you are food eating.But these levels are variating on a different  sleep stages, on night begin level of glucose is fluctuating  usually on a limit a healthy fasting and rising before waking up, when  organism is ready to activity:

Normal level of glucose on night begin are 3.9-5.6 mmol/l , normal glucose level before wake up is slightly less or more on 5.6 mmol/l.

And its having a small , but importance different between glucose level in capillary of blood, measured with a help of home glucometer, level of glucose in interstitial liquid, measured with CGM monitor as by Dexom and level of glucose in venous  blood, by clinical conditions.  Also,  glucose level in blood is changing in gestation diabetes, as a high level of glucose in early pregnancy is indicating on diabetes having of 1 or second type.

A most simple and avaliable    method to control a level of glucose in blood, in buy in drug store glucometer, and check glucose level in blood and write results in notepad, which later show for specialist, and a most expensive variant is monitor putting CGM. If you are having questions about a morning level of glucose in blood , or you are had problems, better right away with your doctor to contact.