SLEEP is the primary needs like food, clothing, and shelter. Do not underestimate the problem of sleep disorders. Lack of sleep appear to decrease the immune system and even result in death.
Quoting the American Insomnia Association, helpguide.org mention that sleep is not perfect unqualified alias can quickly lead people to feel tired during the day. In addition, the mood could change with no apparent cause. Also have difficulty focusing on a job.
Read more »
