Hypoglycemia
Hypoglycemic symptoms can also occur when one is sleeping. Examples of symptoms during sleep can include damp bed sheets or clothes from perspiration. Having nightmares or the act of crying out can be a sign of hypoglycemia. Once the individual is awake they may feel tired, irritable, or confused and these may be signs of hypoglycemia as well.
D-Glyceric acidemia
Symptoms of the disease (in its most severe form) include progressive neurological impairment, mental/motor retardation, hypotonia, seizures, failure to thrive and metabolic acidosis.