Sleep debt or sleep deficit is the cumulative effect of not getting enough sleep. A large sleep debt may lead to mental and/or physical fatigue.
There are two kinds of sleep debt; partial sleep deprivation and total sleep deprivation. Partial sleep deprivation occurs when a person or a lab animal sleeps too little for many days or weeks. Total sleep deprivation means being kept awake for days or weeks. There is debate in the scientific community over the specifics of sleep debt, and it is not considered to be a disorder.
Read more about Sleep Debt: Scientific Debate, Evaluation, Across Society
Famous quotes containing the words sleep and/or debt:
“Not until just before dawn do people sleep best; not until people get old do they become wise.”
—Chinese proverb.
“It is a well-settled principle of the international code that where one nation owes another a liquidated debt which it refuses or neglects to pay the aggrieved party may seize on the property belonging to the other, its citizens or subjects, sufficient to pay the debt without giving just cause of war.”
—Andrew Jackson (1767–1845)