Depression: Sleep deprivation can disrupt the stability of neurotransmitters (chemical messengers) from the Mind, resulting in signs or symptoms of depression, including lack of interest in things to do and disrupted sleep designs. Merck Handbook 1st printed in 1899 as a little reference ebook for physicians and pharmacists, the Handbook https://directory-legit.com/listings13162210/examine-this-report-on-sleepiness-treatment