(1) Routinely sleeping less than 6 hours a night weakens your immune system, increasing your risks for certain kinds of cancer.

(2) The decline in immune defense opens you up to viruses. Good luck if you have a colleague who just came back from COVID.

(3) You become a high risk target for Alzheimer’s Disease.

(4) If you slept just 4 hours the day before, you are 1150% more likely to be involved in a driving accident.

(5) Chronic sleep loss can lead to various mental disorders, including anxiety, extreme aggression, depression and suicidal tendencies.

(6) Heart disease, obesity, dementia, diabetes and cancer have recognized links to insufficient sleep.

(7) Unhealthy sleep, unhealthy heart. Dr Matthew Walker, author of <Why We Sleep>, cleverly notes that a lack of sleep does its own kind of heart attack.

(8) Lack of sleep will increase blood sugar concentration.

(9) Adding to the above fact, you are more likely to eat more when sleep deprived, and now that your body is unable to manage the calories properly, your blood sugar goes up even further.

(10) Insufficient sleep is a highway to heart disease.

(11) If we use today’s science to look at the accidents of the past, we will be sure to uncover the fact that poor sleep underlies most of them. The grogginess and lapse of judgement, even for a moment in a high-risk environment (driving or operating heavy machinery), can easily take lives away.

(12) No aspect of a human, physical or psychological, will be spared from the inevitable ill effects from poor sleep.