Since you usually get less sleep, please talk to your doctor about your sleep patterns. Poor quality sleep can affect many areas of your life and health, and your doctor may be able to help you if you have insomnia, another sleep disorder, or conditions affecting your sleep.
Symptoms can be different depending on how low your blood sugar level drops. 1  Mild hypoglycemia can make you feel hungry or like you want to vomit. 2  You could also feel jittery or nervous. 3  Your heart may beat fast. 4  You may sweat. 5  Or your skin might turn cold and clammy.
Low Blood Sugar. 1  You may feel tired and anxious or weak and shaky. Your heart rate may be rapid and you feel as if you are having a heart attack. Eating something sugary will bring your sugar levels back to normal almost immediately and symptoms will subside. 2  Sugar levels that are below 40 mg/dL cause you to have behavior changes. You may feel very irritable and become weak and confused. You may not realize you need to eat to raise your blood sugar levels. Blood sugar levels below 20 mg/dL will most certainly cause a loss of consciousness or perhaps you will experience seizures.