You feel suddenly weak or shaky
Feeling suddenly weak or shaky is one of the better known signs of low blood sugar, but that doesn’t mean it’s always easy to notice. Weakness, particularly in the arms or legs, or a feeling of being jittery or trembling could also mean it’s time to eat.
Physical symptoms aren’t the only signs of low blood sugar; emotional instability can also occur. In fact, if you suspect you have fluctuating blood sugar, your symptoms might include things such as feeling suddenly overwhelmed, frustrated, angry, irritated, or like you could burst into tears.
Find yourself breaking into a cold sweat for no reason? Low blood sugar may be to blame. The stress on your body means that it has to work harder, and a cold sweat is a classic sign that your body is having to work too hard to function
Hypoglycemia can bring on feelings of nausea or extreme hunger. Traditionally, eating sugar helps raise blood sugar levels, but try to eat a balanced snack or meal soon afterward, to avoid a repeat sugar crash.
When blood sugar is low, it can make you a little spacey. You may find yourself rambling, or others may have a tough time following your conversation. But slurred speech or confusion are more serious signs of dangerously low blood sugar, and should not be taken lightly.