When husband, graveyard shift worker, is sleep deprived his behavior mimics that of a drunken person. is that normal?

Yes, sleep!: Be sure he gets 6 to 8 hours nightly, see dr if needs sleep aid for "shiftwork sleep disorder." sleep deprivation can mimic the effect of an alcohol level of 0.10.

Slap happy tired: Lack of sleep can lead to v concentration, v effectiveness in learning, fatigue, v concentration, v alertness, & day time sleepiness. Severe sleep deprivation can lead to more serious problems such as psychosis.