Diabetes Symptoms at Night: 7 Signs That May Point to High Blood Sugar
A claim that high blood sugar specifically becomes worse after 10 p.m. is misleading. High blood sugar can occur at any time, and some people notice symptoms more clearly at night because they are awake less and have fewer distractions. High glucose can also contribute to increased urination and thirst overnight.
M
Mayo Clinic
+1
Seven signs worth paying attention to are:
Waking up repeatedly to urinate — excess glucose can cause the kidneys to remove more water through urine.
Strong thirst or a dry mouth — particularly after repeated nighttime urination.
Blurred vision — elevated glucose can temporarily affect vision.
Unusual tiredness or weakness — a common symptom of hyperglycemia.
Headache — can occur alongside elevated glucose, although it has many other possible causes.
Unexplained weight loss — more concerning when accompanied by thirst and frequent urination.
Nausea, vomiting, abdominal pain, fruity-smelling breath, or confusion — these can signal dangerously high blood sugar and potentially diabetic ketoacidosis rather than ordinary nighttime symptoms.
M
Mayo Clinic
+1
Importantly, some people with diabetes have few or no symptoms despite high blood sugar, so symptoms alone cannot tell you whether your glucose is elevated. A blood-glucose test and, when appropriate, an A1C test are much more reliable.
C
CDC
If you have diabetes and develop vomiting, abdominal pain, difficulty breathing, confusion, fruity-smelling breath, or persistently very high glucose—especially with ketones—seek urgent medical care.
M
Mayo Clinic
+1
M
C
Sources
