insufficient sleep
Also known as: inadequate sleep, insufficient sleep duration, chronic insufficient sleep, insufficient overall sleep
Facts (66)
Sources
Why Sleep Matters: Consequences of Sleep Deficiency sleep.hms.harvard.edu 20 facts
claimInsufficient sleep may cause fatigue that prevents individuals from burning extra calories through exercise.
claimInsufficient sleep negatively impacts human safety and well-being, necessitating recognition and mitigation strategies as inadequate sleep prevalence grows and workplace demands change.
claimThe prevalence of inadequate sleep is increasing while workplace demands are changing.
claimInsufficient sleep is associated with lower levels of leptin, a hormone that signals satiety to the brain, and higher levels of ghrelin, a biochemical that stimulates appetite.
claimInsufficient sleep disrupts the balance of hormones that control appetite, energy metabolism, and glucose processing.
claimModern society's demands on time have led people to cut back on sleep, despite the fact that the cost of insufficient sleep is higher than most people recognize.
claimMultiple studies have established a link between insufficient sleep and weight gain.
claimPoor sleep is associated with lower life expectancy due to the adverse health effects of insufficient sleep.
claimInsufficient sleep is considered a potential risk factor for obesity, alongside lack of exercise and overeating.
claimChronic insufficient sleep has been correlated with depression, anxiety, and mental distress.
claimShort-term consequences of inadequate sleep include impaired judgment, mood, and ability to learn and retain information, as well as an increased risk of serious accidents and injury.
claimInsufficient sleep negatively impacts human safety and well-being, requiring proactive mitigation.
claimDuring sleep, the human body secretes hormones that regulate appetite, energy metabolism, and glucose processing; insufficient sleep disrupts the balance of these hormones.
claimInsufficient sleep leads to increased workplace errors, decreased productivity, and accidents that result in loss of life and resources.
perspectiveThe Harvard Medical School Sleep and Health Education Program asserts that because the prevalence of inadequate sleep is increasing and workplace demands are changing, it is critical to recognize and mitigate the negative impact of insufficient sleep on safety and well-being.
claimChronic insufficient sleep has been correlated with the development of long-term mood disorders, including depression, anxiety, and mental distress.
measurementThe Institute of Medicine reports that over one million injuries and between 50,000 and 100,000 deaths occur annually due to preventable medical errors, many of which may be caused by insufficient sleep among medical staff.
claimInsufficient sleep may lead to type 2 diabetes by influencing how the body processes glucose.
claimInsufficient sleep increases the production of cortisol, which is often referred to as the stress hormone.
claimResearch indicates that individuals who consistently fail to get enough sleep face an increased risk of chronic disease.
Sleep Deprivation, Sleep Disorders, and Chronic Disease - CDC cdc.gov Aug 31, 2023 8 facts
measurementHigh school students reporting insufficient sleep (less than 8 hours on an average school night) were more likely to experience feelings of sadness or hopelessness, consider suicide, and make suicide plans compared with those with sufficient sleep, according to an analysis of the 2021 Florida Youth Risk Behavior Survey by Gunderson et al.
claimInsufficient sleep is prevalent among children and adolescents and is associated with mental, behavioral, and developmental disorders.
claimInadequate or disturbed sleep may contribute to other health conditions, and conversely, other health conditions may contribute to inadequate or disturbed sleep.
claimInsufficient sleep plays a substantial role in the development and worsening of many chronic diseases.
claimGunderson J, McDaniel K, and DiBlanda A found an association between insufficient sleep, depressive symptoms, and suicidality among Florida high school students in a 2023 study published in Preventing Chronic Disease.
claimInsufficient sleep contributes to the onset or worsening of mental health issues, brain disorders, and chronic diseases by disrupting critical neural processes.
claimInsufficient sleep plays a substantial role in the development and worsening of many chronic diseases by disrupting neural processes.
claimInsufficient sleep among adolescents is associated with poor mental health, including depressive symptoms and suicidal thoughts.
Extent and Health Consequences of Chronic Sleep Loss and ... - NCBI ncbi.nlm.nih.gov 7 facts
claimInsufficient sleep has measurable effects on blood pressure as monitored by a multibiomedical recorder.
referenceTochikubo et al. studied the effects of insufficient sleep on blood pressure using a new multibiomedical recorder in a 1996 study published in Hypertension.
claimLiu Y and Tanaka H found that overtime work and insufficient sleep are risk factors for non-fatal acute myocardial infarction in Japanese men.
claimLiu Y and Tanaka H, on behalf of the Fukuoka Heart Study Group, identified a link between overtime work, insufficient sleep, and the risk of non-fatal acute myocardial infarction in Japanese men in a 2002 study published in Occupational and Environmental Medicine.
measurementAt least 18 percent of adults report receiving insufficient sleep.
claimInsufficient sleep affects blood pressure, as monitored by a multibiomedical recorder in a 1996 study by Tochikubo et al. published in Hypertension.
claimStudies of adolescents, including one involving over 3,000 high school students, found that inadequate sleep is associated with higher levels of depressed mood, anxiety, behavior problems, alcohol use, and attempted suicide (Carskadon, 1990; Morrison et al., 1992; Wolfson and Carskadon, 1998; Liu, 2004).
Sleep Across the Lifespan: A Neurobehavioral Perspective link.springer.com Feb 5, 2025 5 facts
claimThe mismatch between societal timing expectations and intrinsic circadian profiles in adolescents leads to a propensity for insufficient sleep, which is evident in the difference between sleep duration on weekdays compared to weekends.
claimPoor sleep quality and insufficient sleep duration are directly associated with higher levels of presenteeism and increased health-related costs.
claimWork schedules that disrupt circadian alignments are linked to adverse effects, including inadequate sleep and fatigue.
referenceKarthikeyan et al. (2019) discussed the contribution of the modern 24-hour society to the development of type 2 diabetes mellitus, specifically focusing on the role of insufficient sleep, published in Sleep Science.
claimInsufficient sleep in children and preadolescents is associated with poorer emotion regulation, reduced academic achievement, and altered brain morphology.
Why Is Sleep Important for Our Mental and Physical Health? insightspsychology.org Oct 29, 2024 4 facts
claimInsufficient sleep increases ghrelin levels and decreases leptin levels, causing individuals to feel hungrier and less satisfied after meals.
claimInsufficient sleep increases the risk for cardiovascular diseases, including high blood pressure, heart attacks, and strokes.
claimInadequate sleep leads to prolonged soreness, decreased strength, and a higher likelihood of injury in humans.
claimInsufficient sleep causes a decrease in the production of protective cytokines, which leaves the body more susceptible to illness.
Investigating the impact of sleep quality on cognitive functions ... frontiersin.org 3 facts
perspectiveSociety may be increasingly accepting inadequate sleep as a necessary trade-off for achieving academic success.
claimInsufficient or disrupted sleep can impair the brain's ability to effectively encode, store, and retrieve verbal information.
claimInsufficient sleep leads to declines in cognitive abilities, which negatively impacts academic achievement, emotional regulation, and social interactions.
Long-Term Effects of Chronic Sleep Deprivation empowersleep.com Mar 15, 2023 2 facts
claimInsufficient sleep can lead to a multitude of physical and mental health issues, including obesity, diabetes, cardiovascular diseases, cognitive decline, and mood disorders.
claimInsufficient sleep is associated with an increased risk of cardiovascular diseases, including hypertension, coronary heart disease, and stroke, because it causes inflammation, elevated blood pressure, and increased stress hormones.
How sleep affects mental health (and vice versa) - Stanford Medicine med.stanford.edu Aug 11, 2025 2 facts
The Profound Interplay Between Sleep and Cognitive Function creyos.com Aug 14, 2025 2 facts
claimInadequate sleep leads to observable impairments in cognitive processes such as decision-making, problem-solving, attention, and concentration, as noted by Wild et al. (2018).
claimChronic insufficient sleep can manifest as persistent fatigue, reduced productivity, and an increased risk of accidents.
Benefits of Sleep: Improved Energy, Mood, and Brain Health sleepfoundation.org Jul 22, 2025 2 facts
referenceBlackwelder, A., Hoskins, M., & Huber, L. (2021). Effect of inadequate sleep on frequent mental distress. Preventing Chronic Disease, 18. https://www.cdc.gov/pcd/issues/2021/20_0573.htm
referenceCirelli, C. (2024, May). Insufficient sleep: Definition, epidemiology, and adverse outcomes. In R. Benca & A. Eichler (Ed.). UpToDate. https://www.uptodate.com/contents/insufficient-sleep-definition-epidemiology-and-adverse-outcomes
Short- and long-term health consequences of sleep disruption dovepress.com May 19, 2017 2 facts
referenceShochat et al. (2014) published in Sleep Med Rev a systematic review on the functional consequences of inadequate sleep in adolescents.
claimInsufficient sleep may contribute to alterations in the neuroendocrine stress response system, which can lead to stress-related disorders such as mood disorders and depression.
Associations Between Sleep Duration and Cognitive Function ... humanfactors.jmir.org 2 facts
claimInsufficient sleep impairs attention, executive function, and emotional stability, and leads to structural damage in the prefrontal cortex and neurotransmitter imbalances, mediated by chronic stress and heightened inflammatory processes.
claimProposed mechanisms for the link between sleep duration and cognitive function include the impairment of the brain's ability to clear metabolic waste due to insufficient sleep and the reflection of underlying health problems through excessive sleep.
Sleep Deprivation: Symptoms, Causes, Effects, and Treatment sleepfoundation.org Sep 10, 2025 1 fact
referenceC. Maski (2024) provides clinical guidance on the evaluation and management of insufficient sleep.
Experts recommend 7-8 hours of sleep for better brain health sph.unc.edu Jan 31, 2017 1 fact
claimThe Global Council on Brain Health (GCBH) consensus statement asserts that people with chronic inadequate sleep are at higher risk for and experience more severe health problems, including dementia, depression, heart disease, obesity, and cancer.
The Effects of Sleep Deprivation on Your Body - Healthline healthline.com Aug 23, 2024 1 fact
claimInsufficient sleep disrupts hormone levels that regulate hunger, which can lead to overeating, weight gain, and an increased risk of cardiovascular issues.
How Lack of Sleep Impacts Cognitive Performance and Focus sleepfoundation.org Jul 29, 2025 1 fact
claimBoth insufficient sleep and excessive sleep are associated with cognitive decline.
Assess Your Sleep Needs - Division of Sleep Medicine sleep.hms.harvard.edu 1 fact
claimFalling asleep during routine activities, such as on a subway commute or during a lecture, is likely a sign of insufficient sleep.
How Much Sleep Do You Really Need? - National Sleep Foundation thensf.org Nov 17, 2025 1 fact
claimInadequate sleep can negatively impact mental health, including outlook, mood, attention span, and job performance.
How many hours of sleep are enough for good health? - Mayo Clinic mayoclinic.org 1 fact
referenceCirelli C. authored the article 'Insufficient sleep: Definition, epidemiology, and adverse outcomes,' which is published on the UpToDate platform.