My queston is, is there any chance that he could be having a seizure rather than an tantrum my son wakes up in the middle of the night. but its not every night. but when he does he has a very bad temper. it is like something is posessing him. it is teri

Most : Most likely he is suffering from night terrors. It is completely unrelated to the horner's syndrome. A night terror is a type of sleep disorder called a parasomnia that predominantly affects children between the ages of 3 and 12. They typically occur during the first few hours of sleep during state 3 or 4 non-rem sleep. They should not be confused with nightmares which are bad dreams. Usually the child will “bolt upright” with their eyes wide open and the look of fear or panic on their face. This is usually accompanied by screaming, sweating, rapid heart rate. The child is not awake during these spells, is often confused and inconsolable during the spell and is amnestic to it in the morning. On average they can occur one time per week. More frequent events should warrant evaluation.

Get checked: Night time seizures can occur in childhood and adolescence. They can mimic sleep disorders. The only way to know would be to get a sleep study and/or an overnight eeg.

Likely night terror: By definition, a kid will not awake easily during a night terror and will not remember having one. If you grab, hold, shake etc. You will likely scare them if they wake. Most NT are brief, lasting 5+/- min & the kid settles, awakes later refreshed with no recollection of the event.If a light touch does not waken the kid, it is not a nightmare.Getting as little as 1/2 hr more sleep/d could end this

Seizure vs tantrum: Sit up, eyes wide, no response to being touched & called - night terror. Children w/ night terrors look, well, terrified. Seizures also have eyes open, maybe without convulsion and can have confusion or tantrum like activity after. . Both are forgotten within minutes and eventually lead back to sleep. Both can have normal EEGs. Talk to his doctor.