Why is pulling an all nighter a bad idea?

Getting too little sleep can be dangerous. For example, drowsiness behind the wheel can be just as deadly as driving under the influence. Over time, in serious cases, sleep deprivation can result in heart disease, stroke and diabetes. And in the immediate aftermath, going without sleep can lead to lack of focus and brain fog, stress and irritability.

Well you see if you dont follow ur parent's expectations or rule you're going to get a beat

They probably don't understand either 1. what the nightmare is about or 2. his anxiety and stress