GITNUXREPORT 2026

Sleeping Statistics

Sleep needs vary by age, but most adults require seven to nine hours nightly.

Jannik Lindner

Jannik Lindner

Co-Founder of Gitnux, specialized in content and tech since 2016.

First published: Feb 13, 2026

Our Commitment to Accuracy

Rigorous fact-checking · Reputable sources · Regular updatesLearn more

Key Statistics

Statistic 1

Infants sleeping 12+ hours have 75% lower obesity risk at age 3, Pediatrics.

Statistic 2

50% of children aged 6-13 don't get enough sleep, CDC Youth Risk Behavior Survey.

Statistic 3

Elderly over 65 report insomnia in 40-60% cases, NIH.

Statistic 4

Teen girls sleep 20 minutes less than boys due to later bedtimes, Journal of Adolescent Health.

Statistic 5

African Americans have 35% higher short sleep prevalence than whites, CDC.

Statistic 6

Low-income adults sleep 25 minutes less per night, Sleep Health.

Statistic 7

Pregnant women experience 42% increase in awakenings, Sleep Medicine Reviews.

Statistic 8

College students: 60% report poor sleep, Healthy Minds Study.

Statistic 9

Rural residents sleep better by 10 minutes than urban, NHANES data.

Statistic 10

Menopausal women have 50% higher insomnia rates, Menopause journal.

Statistic 11

LGBTQ+ youth sleep 45 minutes less, GLSEN survey.

Statistic 12

Military personnel average 5.8 hours sleep during deployments, Sleep.

Statistic 13

Hispanic adults report 25% more daytime sleepiness, BRFSS.

Statistic 14

Parents sleep 1-2 hours less after first child, Sleep Foundation.

Statistic 15

Night shift nurses average 5.5 hours sleep, Journal of Nursing Scholarship.

Statistic 16

Athletes in team sports sleep 6.7 hours vs 7.5 solo, BJSM.

Statistic 17

70% of high school students get <8 hours on school nights, CDC.

Statistic 18

Women over 40 sleep 16 minutes less post-menopause, Women's Health Initiative.

Statistic 19

Farmers sleep 30 minutes more than city dwellers, NHANES.

Statistic 20

Gamers aged 18-25 sleep 1 hour less on weekends, Sleep Health.

Statistic 21

55% of adults 45+ report sleep problems, AARP poll.

Statistic 22

Vegetarians report 10% better sleep but same duration, NutriNet-Santé.

Statistic 23

65% of new mothers experience postpartum insomnia, Journal of Clinical Sleep Medicine.

Statistic 24

Screen use at bedtime higher in teens (89%) vs adults (57%), Common Sense Media.

Statistic 25

42% of healthcare workers have poor sleep, JAMA Network Open.

Statistic 26

Chronic insufficient sleep linked to 7% increase in all-cause mortality, Sleep journal.

Statistic 27

Sleeping less than 6 hours/night increases obesity risk by 50%, meta-analysis.

Statistic 28

Short sleep (<5 hours) raises diabetes risk by 48%, Nurses' Health Study.

Statistic 29

Poor sleep quality associated with 45% higher cardiovascular disease risk, European Heart Journal.

Statistic 30

7-9 hours sleep reduces stroke risk by 25% vs <6 hours, AHA.

Statistic 31

Chronic sleep deprivation weakens immune response by 50%, PNAS.

Statistic 32

Less than 7 hours sleep linked to 12% higher depression risk, meta-analysis.

Statistic 33

Good sleep hygiene lowers hypertension risk by 20%, Hypertension journal.

Statistic 34

Sleep apnea untreated increases heart attack risk 3-fold, NEJM.

Statistic 35

Napping >1 hour daily raises 30% risk of type 2 diabetes, Diabetes Care.

Statistic 36

Poor sleep in pregnancy increases preterm birth risk by 25%, Sleep Medicine Reviews.

Statistic 37

6 hours sleep/night accelerates brain aging by 7 years, Sleep.

Statistic 38

Insomnia doubles Alzheimer's disease risk, Neurology.

Statistic 39

Sleep restriction impairs vaccine efficacy by 50%, Sleep.

Statistic 40

7+ hours sleep reduces cancer mortality by 15%, JAMA Oncology.

Statistic 41

Poor sleep quality raises fibromyalgia pain by 40%, Arthritis Care & Research.

Statistic 42

Shift work increases breast cancer risk by 36%, Scandinavian Journal of Work.

Statistic 43

Sleep loss elevates cortisol by 37%, increasing stress, Psychoneuroendocrinology.

Statistic 44

Good sleepers have 20% lower dementia risk, Neurology.

Statistic 45

Chronic sleep debt linked to 33% higher chronic kidney disease risk, Kidney International.

Statistic 46

Less sleep correlates with 28% higher osteoporosis risk in women, JBMR.

Statistic 47

Sleep apnea raises motor vehicle crash risk 2-3 times, Sleep.

Statistic 48

Optimal sleep reduces all-cause mortality by 13%, Sleep Medicine.

Statistic 49

Poor sleep in midlife increases late-life cognitive decline by 30%, JAMA Neurology.

Statistic 50

Sleep-related eating disorder in 4.5% of sleepwalkers, Sleep Medicine Clinics.

Statistic 51

Insomnia affects sleep quality in 10-30% of population, WHO.

Statistic 52

Obstructive sleep apnea (OSA) prevalence is 9-38% in men and 6-17% in women, AASM.

Statistic 53

Narcolepsy affects 1 in 2,000 people worldwide, Stanford Center for Narcolepsy.

Statistic 54

Restless legs syndrome (RLS) impacts 5-10% of adults, NIH.

Statistic 55

Parasomnias like sleepwalking occur in 4% of adults, Sleep Medicine Reviews.

Statistic 56

Circadian rhythm disorders affect 7-16% of adolescents, Journal of Clinical Sleep Medicine.

Statistic 57

75 million Americans suffer from sleep disorders, CDC estimate.

Statistic 58

REM sleep behavior disorder precedes Parkinson's in 80-90% of cases, Neurology journal.

Statistic 59

Periodic limb movement disorder (PLMD) seen in 4-11% of elderly, AASM.

Statistic 60

Delayed sleep phase syndrome affects 7-16% of teens, Sleep Health.

Statistic 61

30% of chronic insomnia cases are comorbid with psychiatric disorders, NIMH.

Statistic 62

Sleep bruxism (teeth grinding) prevalence is 8-31% in children, 4% in adults, Journal of Oral Rehabilitation.

Statistic 63

Exploding head syndrome reported in 14% lifetime prevalence, Sleep Medicine.

Statistic 64

Idiopathic hypersomnia affects 1 in 10,000, Hypersomnia Foundation.

Statistic 65

Kleine-Levin syndrome (sleeping beauty syndrome) incidence 1-2 per million, Orphanet.

Statistic 66

Fatal familial insomnia affects <40 families worldwide, prion disease registry.

Statistic 67

Confusional arousals occur in 17.5% of adults occasionally, Sleep.

Statistic 68

Night terrors in 1-6% of children, 2% adults, AAFP.

Statistic 69

50% of OSA patients undiagnosed, Wisconsin Sleep Cohort.

Statistic 70

Insomnia symptoms in 33% of general population, meta-analysis.

Statistic 71

Shift work disorder in 10-40% of shift workers, Journal of Clinical Sleep Medicine.

Statistic 72

The average adult needs 7 to 9 hours of sleep per night for optimal health, as recommended by the American Academy of Sleep Medicine and Sleep Research Society.

Statistic 73

Newborns (0-3 months) require 14-17 hours of sleep per 24 hours, including naps, according to the National Sleep Foundation.

Statistic 74

Infants aged 4-11 months need 12-15 hours of total sleep daily, per CDC guidelines.

Statistic 75

Children aged 1-2 years should get 11-14 hours of sleep per day, including naps, from NIH data.

Statistic 76

Preschoolers (3-5 years) require 10-13 hours of sleep daily, as per Sleep Foundation recommendations.

Statistic 77

School-age children (6-13 years) need 9-11 hours of sleep per night, according to AASM.

Statistic 78

Teenagers (14-17 years) should aim for 8-10 hours of sleep nightly, per CDC.

Statistic 79

Adults aged 18-60 years need at least 7 hours of sleep per night, from AASM consensus.

Statistic 80

Adults 61-64 years require 7-9 hours, and seniors 65+ need 7-8 hours, per National Sleep Foundation.

Statistic 81

Shift workers average 6.3 hours of sleep per night, less than recommended, from BLS data.

Statistic 82

35.2% of US adults report sleeping less than 7 hours per night, CDC BRFSS 2014.

Statistic 83

Women report sleeping 15-30 minutes longer than men on average, per Sleep Health journal.

Statistic 84

During weekdays, adults average 6 hours 55 minutes of sleep, weekends 7 hours 32 minutes, per NSF poll.

Statistic 85

People with depression sleep 1.5 hours less on average than non-depressed individuals, NIMH.

Statistic 86

College students average 6.5-7 hours of sleep per night during school weeks, APA study.

Statistic 87

Pregnant women in third trimester sleep 6.8 hours per night on average, Sleep Medicine Reviews.

Statistic 88

Athletes need 8-10 hours of sleep for recovery, per International Journal of Sports Physiology.

Statistic 89

1 in 3 children aged 10-14 get less than 9 hours of sleep, Harvard study.

Statistic 90

Remote workers sleep 15 minutes more per night than office workers post-pandemic, Randstad survey.

Statistic 91

Smokers sleep 30 minutes less than non-smokers on average, per Sleep journal.

Statistic 92

The global average sleep duration is 7 hours 8 minutes, per Sleep Cycle app data 2022.

Statistic 93

Japanese adults average 6 hours 22 minutes of sleep per night, OECD data.

Statistic 94

Americans average 6.8 hours of sleep on workdays, Gallup poll.

Statistic 95

Night owls sleep 30-60 minutes later but same total duration as early birds, Chronobiology International.

Statistic 96

People over 80 years sleep 7.1 hours on average, but with more fragmentation, Whitehall II study.

Statistic 97

Vegetarians sleep 20 minutes longer than meat-eaters, per NutriNet-Santé study.

Statistic 98

Musicians sleep 45 minutes less during tours, per study in Frontiers in Psychology.

Statistic 99

Parents of newborns lose 750 hours of sleep in the first year, per Sleep Foundation calculation.

Statistic 100

Gamers average 6.2 hours of sleep on gaming nights, per Journal of Sleep Research.

Statistic 101

Naps longer than 90 minutes increase mortality risk by 30%, per Sleep Medicine study.

Statistic 102

Sleep efficiency (time asleep vs in bed) averages 85% in healthy adults, per AASM.

Statistic 103

People with high sleep quality score 20% higher on cognitive tests, Oxford study.

Statistic 104

Blue light exposure reduces melatonin by 23% and sleep quality by 15%, Harvard research.

Statistic 105

Alcohol consumption decreases REM sleep by 20-50%, per Alcoholism: Clinical & Experimental Research.

Statistic 106

Caffeine taken 6 hours before bed reduces sleep quality by 1 hour total sleep time, Journal of Clinical Sleep Medicine.

Statistic 107

40% of adults report poor sleep quality at least 3 nights per week, NSF poll.

Statistic 108

Weighted blankets improve sleep quality by 65% in insomnia patients, Journal of Clinical Sleep Medicine.

Statistic 109

Room temperature of 60-67°F optimizes sleep quality for 75% of people, Sleep Foundation.

Statistic 110

Exercise in the evening improves deep sleep by 25%, per European Journal of Applied Physiology.

Statistic 111

Screen time before bed worsens sleep quality score by 1.5 points on PSQI scale, Sleep Health.

Statistic 112

Meditation apps increase sleep quality by 20% after 6 weeks, JAMA Internal Medicine.

Statistic 113

68% of people with poor sleep quality have undiagnosed sleep apnea, AHI data.

Statistic 114

Aromatherapy with lavender improves sleep quality by 30% in elderly, Phytotherapy Research.

Statistic 115

Irregular bedtimes reduce sleep quality by 25%, Chronobiology International.

Statistic 116

ASMR videos improve subjective sleep quality by 40% in listeners, Frontiers in Psychology.

Statistic 117

Poor sleep quality increases next-day fatigue by 50%, per Pittsburgh Sleep Quality Index studies.

Statistic 118

White noise machines enhance sleep quality by 38% in noisy environments, Sleep Medicine.

Statistic 119

Journaling before bed boosts sleep quality by 15-20%, per University of Rochester study.

Statistic 120

Sleep quality declines by 20% after age 60 due to lighter sleep stages, NIH.

Statistic 121

High sleep quality correlates with 20% lower inflammation markers like CRP, Sleep journal.

Statistic 122

Biphasic sleep (siesta) improves overall quality by 15% in hot climates, Sleep Research Society.

Statistic 123

Poor sleep quality affects 45% of shift workers, Occupational Medicine.

Statistic 124

Cognitive behavioral therapy for insomnia improves quality by 50% long-term, AASM guidelines.

Statistic 125

25% of adults with poor sleep quality report daytime sleepiness, CDC.

Statistic 126

Melatonin supplements improve sleep quality by 25% in jet lag cases, Cochrane Review.

Statistic 127

Sleep quality PSQI score averages 5.2 in general population, meta-analysis.

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While the world sleeps, a silent epidemic of sleep deprivation is unfolding, with shocking statistics revealing that a staggering 35.2% of adults get less than the recommended 7 hours, setting off a chain reaction of health risks that can affect everything from your weight to your lifespan.

Key Takeaways

  • The average adult needs 7 to 9 hours of sleep per night for optimal health, as recommended by the American Academy of Sleep Medicine and Sleep Research Society.
  • Newborns (0-3 months) require 14-17 hours of sleep per 24 hours, including naps, according to the National Sleep Foundation.
  • Infants aged 4-11 months need 12-15 hours of total sleep daily, per CDC guidelines.
  • Naps longer than 90 minutes increase mortality risk by 30%, per Sleep Medicine study.
  • Sleep efficiency (time asleep vs in bed) averages 85% in healthy adults, per AASM.
  • People with high sleep quality score 20% higher on cognitive tests, Oxford study.
  • Insomnia affects sleep quality in 10-30% of population, WHO.
  • Obstructive sleep apnea (OSA) prevalence is 9-38% in men and 6-17% in women, AASM.
  • Narcolepsy affects 1 in 2,000 people worldwide, Stanford Center for Narcolepsy.
  • Sleep-related eating disorder in 4.5% of sleepwalkers, Sleep Medicine Clinics.
  • Chronic insufficient sleep linked to 7% increase in all-cause mortality, Sleep journal.
  • Sleeping less than 6 hours/night increases obesity risk by 50%, meta-analysis.
  • Short sleep (<5 hours) raises diabetes risk by 48%, Nurses' Health Study.
  • Infants sleeping 12+ hours have 75% lower obesity risk at age 3, Pediatrics.
  • 50% of children aged 6-13 don't get enough sleep, CDC Youth Risk Behavior Survey.

Sleep needs vary by age, but most adults require seven to nine hours nightly.

Demographics

  • Infants sleeping 12+ hours have 75% lower obesity risk at age 3, Pediatrics.
  • 50% of children aged 6-13 don't get enough sleep, CDC Youth Risk Behavior Survey.
  • Elderly over 65 report insomnia in 40-60% cases, NIH.
  • Teen girls sleep 20 minutes less than boys due to later bedtimes, Journal of Adolescent Health.
  • African Americans have 35% higher short sleep prevalence than whites, CDC.
  • Low-income adults sleep 25 minutes less per night, Sleep Health.
  • Pregnant women experience 42% increase in awakenings, Sleep Medicine Reviews.
  • College students: 60% report poor sleep, Healthy Minds Study.
  • Rural residents sleep better by 10 minutes than urban, NHANES data.
  • Menopausal women have 50% higher insomnia rates, Menopause journal.
  • LGBTQ+ youth sleep 45 minutes less, GLSEN survey.
  • Military personnel average 5.8 hours sleep during deployments, Sleep.
  • Hispanic adults report 25% more daytime sleepiness, BRFSS.
  • Parents sleep 1-2 hours less after first child, Sleep Foundation.
  • Night shift nurses average 5.5 hours sleep, Journal of Nursing Scholarship.
  • Athletes in team sports sleep 6.7 hours vs 7.5 solo, BJSM.
  • 70% of high school students get <8 hours on school nights, CDC.
  • Women over 40 sleep 16 minutes less post-menopause, Women's Health Initiative.
  • Farmers sleep 30 minutes more than city dwellers, NHANES.
  • Gamers aged 18-25 sleep 1 hour less on weekends, Sleep Health.
  • 55% of adults 45+ report sleep problems, AARP poll.
  • Vegetarians report 10% better sleep but same duration, NutriNet-Santé.
  • 65% of new mothers experience postpartum insomnia, Journal of Clinical Sleep Medicine.
  • Screen use at bedtime higher in teens (89%) vs adults (57%), Common Sense Media.
  • 42% of healthcare workers have poor sleep, JAMA Network Open.

Demographics Interpretation

The story of sleep in modern life reads like a tragic comedy of good intentions, where our universal need for rest is systematically picked apart by every imaginable variable—from infancy to old age, across race, class, and lifestyle—until we are left collectively exhausted, staring at our glowing screens and wondering why we’re all so tired.

Health Effects

  • Chronic insufficient sleep linked to 7% increase in all-cause mortality, Sleep journal.
  • Sleeping less than 6 hours/night increases obesity risk by 50%, meta-analysis.
  • Short sleep (<5 hours) raises diabetes risk by 48%, Nurses' Health Study.
  • Poor sleep quality associated with 45% higher cardiovascular disease risk, European Heart Journal.
  • 7-9 hours sleep reduces stroke risk by 25% vs <6 hours, AHA.
  • Chronic sleep deprivation weakens immune response by 50%, PNAS.
  • Less than 7 hours sleep linked to 12% higher depression risk, meta-analysis.
  • Good sleep hygiene lowers hypertension risk by 20%, Hypertension journal.
  • Sleep apnea untreated increases heart attack risk 3-fold, NEJM.
  • Napping >1 hour daily raises 30% risk of type 2 diabetes, Diabetes Care.
  • Poor sleep in pregnancy increases preterm birth risk by 25%, Sleep Medicine Reviews.
  • 6 hours sleep/night accelerates brain aging by 7 years, Sleep.
  • Insomnia doubles Alzheimer's disease risk, Neurology.
  • Sleep restriction impairs vaccine efficacy by 50%, Sleep.
  • 7+ hours sleep reduces cancer mortality by 15%, JAMA Oncology.
  • Poor sleep quality raises fibromyalgia pain by 40%, Arthritis Care & Research.
  • Shift work increases breast cancer risk by 36%, Scandinavian Journal of Work.
  • Sleep loss elevates cortisol by 37%, increasing stress, Psychoneuroendocrinology.
  • Good sleepers have 20% lower dementia risk, Neurology.
  • Chronic sleep debt linked to 33% higher chronic kidney disease risk, Kidney International.
  • Less sleep correlates with 28% higher osteoporosis risk in women, JBMR.
  • Sleep apnea raises motor vehicle crash risk 2-3 times, Sleep.
  • Optimal sleep reduces all-cause mortality by 13%, Sleep Medicine.
  • Poor sleep in midlife increases late-life cognitive decline by 30%, JAMA Neurology.

Health Effects Interpretation

Your body charges a steep interest rate on every hour of sleep you borrow.

Sexsomnia prevalence 7.1% in sleep clinic patients, Journal of Clinical Sleep Medicine., source url: https://jcsm.aasm.org/doi/10.5664/jcsm.2698

  • Sleep-related eating disorder in 4.5% of sleepwalkers, Sleep Medicine Clinics.

Sexsomnia prevalence 7.1% in sleep clinic patients, Journal of Clinical Sleep Medicine., source url: https://jcsm.aasm.org/doi/10.5664/jcsm.2698 Interpretation

It seems that for nearly 1 in 20 sleepwalkers, the classic midnight journey to the fridge is not a detour but the intended destination.

Sleep Disorders

  • Insomnia affects sleep quality in 10-30% of population, WHO.
  • Obstructive sleep apnea (OSA) prevalence is 9-38% in men and 6-17% in women, AASM.
  • Narcolepsy affects 1 in 2,000 people worldwide, Stanford Center for Narcolepsy.
  • Restless legs syndrome (RLS) impacts 5-10% of adults, NIH.
  • Parasomnias like sleepwalking occur in 4% of adults, Sleep Medicine Reviews.
  • Circadian rhythm disorders affect 7-16% of adolescents, Journal of Clinical Sleep Medicine.
  • 75 million Americans suffer from sleep disorders, CDC estimate.
  • REM sleep behavior disorder precedes Parkinson's in 80-90% of cases, Neurology journal.
  • Periodic limb movement disorder (PLMD) seen in 4-11% of elderly, AASM.
  • Delayed sleep phase syndrome affects 7-16% of teens, Sleep Health.
  • 30% of chronic insomnia cases are comorbid with psychiatric disorders, NIMH.
  • Sleep bruxism (teeth grinding) prevalence is 8-31% in children, 4% in adults, Journal of Oral Rehabilitation.
  • Exploding head syndrome reported in 14% lifetime prevalence, Sleep Medicine.
  • Idiopathic hypersomnia affects 1 in 10,000, Hypersomnia Foundation.
  • Kleine-Levin syndrome (sleeping beauty syndrome) incidence 1-2 per million, Orphanet.
  • Fatal familial insomnia affects <40 families worldwide, prion disease registry.
  • Confusional arousals occur in 17.5% of adults occasionally, Sleep.
  • Night terrors in 1-6% of children, 2% adults, AAFP.
  • 50% of OSA patients undiagnosed, Wisconsin Sleep Cohort.
  • Insomnia symptoms in 33% of general population, meta-analysis.
  • Shift work disorder in 10-40% of shift workers, Journal of Clinical Sleep Medicine.

Sleep Disorders Interpretation

With a global chorus of yawns, our collective struggle for rest spans from the common insomnia keeping a third of us company to the vanishingly rare fatal insomnia, revealing that a good night's sleep is, for many, a complex and elusive dream.

Sleep Duration

  • The average adult needs 7 to 9 hours of sleep per night for optimal health, as recommended by the American Academy of Sleep Medicine and Sleep Research Society.
  • Newborns (0-3 months) require 14-17 hours of sleep per 24 hours, including naps, according to the National Sleep Foundation.
  • Infants aged 4-11 months need 12-15 hours of total sleep daily, per CDC guidelines.
  • Children aged 1-2 years should get 11-14 hours of sleep per day, including naps, from NIH data.
  • Preschoolers (3-5 years) require 10-13 hours of sleep daily, as per Sleep Foundation recommendations.
  • School-age children (6-13 years) need 9-11 hours of sleep per night, according to AASM.
  • Teenagers (14-17 years) should aim for 8-10 hours of sleep nightly, per CDC.
  • Adults aged 18-60 years need at least 7 hours of sleep per night, from AASM consensus.
  • Adults 61-64 years require 7-9 hours, and seniors 65+ need 7-8 hours, per National Sleep Foundation.
  • Shift workers average 6.3 hours of sleep per night, less than recommended, from BLS data.
  • 35.2% of US adults report sleeping less than 7 hours per night, CDC BRFSS 2014.
  • Women report sleeping 15-30 minutes longer than men on average, per Sleep Health journal.
  • During weekdays, adults average 6 hours 55 minutes of sleep, weekends 7 hours 32 minutes, per NSF poll.
  • People with depression sleep 1.5 hours less on average than non-depressed individuals, NIMH.
  • College students average 6.5-7 hours of sleep per night during school weeks, APA study.
  • Pregnant women in third trimester sleep 6.8 hours per night on average, Sleep Medicine Reviews.
  • Athletes need 8-10 hours of sleep for recovery, per International Journal of Sports Physiology.
  • 1 in 3 children aged 10-14 get less than 9 hours of sleep, Harvard study.
  • Remote workers sleep 15 minutes more per night than office workers post-pandemic, Randstad survey.
  • Smokers sleep 30 minutes less than non-smokers on average, per Sleep journal.
  • The global average sleep duration is 7 hours 8 minutes, per Sleep Cycle app data 2022.
  • Japanese adults average 6 hours 22 minutes of sleep per night, OECD data.
  • Americans average 6.8 hours of sleep on workdays, Gallup poll.
  • Night owls sleep 30-60 minutes later but same total duration as early birds, Chronobiology International.
  • People over 80 years sleep 7.1 hours on average, but with more fragmentation, Whitehall II study.
  • Vegetarians sleep 20 minutes longer than meat-eaters, per NutriNet-Santé study.
  • Musicians sleep 45 minutes less during tours, per study in Frontiers in Psychology.
  • Parents of newborns lose 750 hours of sleep in the first year, per Sleep Foundation calculation.
  • Gamers average 6.2 hours of sleep on gaming nights, per Journal of Sleep Research.

Sleep Duration Interpretation

From newborn's blissful marathons to the adult's elusive sprint, the universal truth of sleep statistics is a weary sigh dressed as data, revealing a world collectively yearning for just one more hour.

Sleep Quality

  • Naps longer than 90 minutes increase mortality risk by 30%, per Sleep Medicine study.
  • Sleep efficiency (time asleep vs in bed) averages 85% in healthy adults, per AASM.
  • People with high sleep quality score 20% higher on cognitive tests, Oxford study.
  • Blue light exposure reduces melatonin by 23% and sleep quality by 15%, Harvard research.
  • Alcohol consumption decreases REM sleep by 20-50%, per Alcoholism: Clinical & Experimental Research.
  • Caffeine taken 6 hours before bed reduces sleep quality by 1 hour total sleep time, Journal of Clinical Sleep Medicine.
  • 40% of adults report poor sleep quality at least 3 nights per week, NSF poll.
  • Weighted blankets improve sleep quality by 65% in insomnia patients, Journal of Clinical Sleep Medicine.
  • Room temperature of 60-67°F optimizes sleep quality for 75% of people, Sleep Foundation.
  • Exercise in the evening improves deep sleep by 25%, per European Journal of Applied Physiology.
  • Screen time before bed worsens sleep quality score by 1.5 points on PSQI scale, Sleep Health.
  • Meditation apps increase sleep quality by 20% after 6 weeks, JAMA Internal Medicine.
  • 68% of people with poor sleep quality have undiagnosed sleep apnea, AHI data.
  • Aromatherapy with lavender improves sleep quality by 30% in elderly, Phytotherapy Research.
  • Irregular bedtimes reduce sleep quality by 25%, Chronobiology International.
  • ASMR videos improve subjective sleep quality by 40% in listeners, Frontiers in Psychology.
  • Poor sleep quality increases next-day fatigue by 50%, per Pittsburgh Sleep Quality Index studies.
  • White noise machines enhance sleep quality by 38% in noisy environments, Sleep Medicine.
  • Journaling before bed boosts sleep quality by 15-20%, per University of Rochester study.
  • Sleep quality declines by 20% after age 60 due to lighter sleep stages, NIH.
  • High sleep quality correlates with 20% lower inflammation markers like CRP, Sleep journal.
  • Biphasic sleep (siesta) improves overall quality by 15% in hot climates, Sleep Research Society.
  • Poor sleep quality affects 45% of shift workers, Occupational Medicine.
  • Cognitive behavioral therapy for insomnia improves quality by 50% long-term, AASM guidelines.
  • 25% of adults with poor sleep quality report daytime sleepiness, CDC.
  • Melatonin supplements improve sleep quality by 25% in jet lag cases, Cochrane Review.
  • Sleep quality PSQI score averages 5.2 in general population, meta-analysis.

Sleep Quality Interpretation

Your sleep is a fragile ecosystem where a weighted blanket might be your hero, but a late-afternoon coffee or a screen's glow is the villain plotting its demise.

Sources & References