How will I feel when my blood glucose (sugar) is low?
Low blood glucose, or low blood sugar, is called hypoglycemia. It is when your blood glucose is below 70 mg/dL.
Signs of low blood glucose are:
feeling dizzy, weak, tired, or like you might faint
feeling anxious or irritable
shaking, sweating, or having a fast heartbeat
having a headache or vision changes
hunger
If you have any of the above, check your blood glucose and treat low numbers right away.
Low blood glucose is most common when you are sleeping. The following could be signs that your blood glucose is getting low while you are sleeping:
waking up with a headache
sweating during the night
having nightmares
Speak with your healthcare team if you have these signs.