concentrate affects their ability to perform daily tasks Slowed reaction time learning, memory, reaction time, cognitive ability drastically lowers embedded sleep deprivation can have a serious effect It's proven lack of sleep moodiness lack of sleep Mentally, concentration and cognitive functions are impaired What Lack of Sleep Does to Your Mind Sleepiness: Cognitive and Emotional Effects Research has proven ability to function properly Get adequate sleep Sleepiness: Cognitive and Emotional Effects concentrate Poor memory, slow reaction times Studies have even shown Barry Krakow, MD weakens memory source according to WebMD According to WebMD ability to recall things is impaired reduces your ability to manage stress