Try healthy snacking every t 2 or 3 hours

Not even close to being low. That is normal range that should be aimed for. Under 4 (72) n ya that is low.

You need a snack

92 is a good number but you feel the symptoms of hypoglycemia. It can be because your blood sugar was higher than that for some time. With time when you keep your numbers low, you won't feel those symptoms until your blood sugar is under 72.