7 Things That Happen To Your Brain When You're Exhausted & Need Sleep # 1 You're Not As Nice Sleep deprivation or prolonged restricted sleep results in increasing irritability and worsening mood. (theorganicmomma.com)
In this study from Alzheimer's Research and Therapy, Alzheimer's patients experienced increased irritability and aggressive behaviors more frequently after raising their testosterone levels. (tctmed.com)
He also says it was not disputed that after the accident he displayed a number of characteristics consistent with having suffered a brain injury, including the fact that he had a flat affect and his behaviour around his family was different, as well as showing increased irritability, frustration and anger. (bc-injury-law.com)