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The 41 pages that link to Sleep deprivation, each with the reason it gives.

• SleepCompared with: It exposes how cognitive and physiological functions change when sleep is curtailed.

• InsomniaCompared with: Insomnia is difficulty sleeping despite opportunity; deprivation can also result from insufficient time allowed for sleep.

• Noise pollutionRelated: Nighttime noise can fragment sleep even when it does not fully awaken a person.

• TortureBroader topic: Prolonged deprivation can cause severe distress and cognitive impairment, and has been used as psychological torture.

• Insulin resistanceRelated: Repeated sleep loss can impair glucose regulation and insulin sensitivity.

• Reaction timeRelated: It increases lapses and slow responses on vigilance tasks.

• Sleep hygieneRelated: Insufficient sleep can result when routines or schedules repeatedly restrict time in bed.

• PruritusRelated: Nighttime itch can repeatedly interrupt sleep and worsen daytime functioning.

• False confessionRelated: Exhaustion can weaken resistance and make prolonged questioning harder to evaluate.

• Jet lagRelated: Jet lag can cause sleep loss when biological sleep times conflict with local obligations.

• Sleep architectureRelated: Recovery sleep often changes the balance of deep NREM and REM stages.

• Sleep homeostasisRelated: Lost sleep increases pressure and produces compensatory changes in subsequent sleep.

• ManiaRelated: Reduced sleep may precede or intensify manic symptoms, though it is not mania itself.

• ParanoiaRelated: Poor sleep can intensify distress and suspicious thinking, while paranoia can also disrupt sleep.

• Shift workRelated: Daytime sleep after night shifts is often shorter and more easily interrupted.

• Sleep-wake cycleCompared with: It intensifies sleep pressure and reveals consequences of disrupting the cycle.

• Sleep medicineCompared with: It can mimic or worsen sleep disorders, but may arise without a primary disorder.

• Enhanced interrogation techniquesRelated: Interrogators used prolonged wakefulness to weaken detainees’ resistance and distress them.

• DepersonalizationRelated: Severe sleep loss can produce feelings of detachment or unreality in some people.

• Multiple Sleep Latency TestRelated: Insufficient prior sleep can produce misleadingly short latencies and sleep-onset REM periods.

• DerealizationRelated: Severe sleep loss can alter perception and intensify feelings of detachment or unreality.

• BrainwashingRelated: Sleep loss can increase vulnerability to pressure, though it does not guarantee belief change.

• DermatitisRelated: Nighttime itching can repeatedly interrupt sleep in chronic dermatitis.

• Energy drinkCompared with: Stimulants can mask sleepiness temporarily but do not replace sleep.

• NightRelated: Lost nighttime sleep can impair attention, mood, and physical functioning.

• SomnolenceBroader topic: It is a common cause of pronounced somnolence through heightened sleep pressure.

• UltramarathonRelated: Multiday ultramarathons can require racing through normal sleep periods.

• HypomaniaRelated: Sleep disruption can accompany mood episodes and complicate interpretation of increased energy.

• WakefulnessRelated: It impairs alertness and the ability to maintain wakefulness.

• Postpartum depressionRelated: Newborn care can disrupt sleep, worsening vulnerability and making depressive symptoms harder to manage.

• Sleep disorderCompared with: Insufficient opportunity for sleep can mimic a disorder without constituting one itself.

• WaterboardingCompared with: It is a coercive interrogation method that works through prolonged wakefulness, not airway exposure.

• Internet addiction disorderRelated: Late-night compulsive use can displace sleep and contribute to impairment.

• LethargyRelated: Insufficient sleep commonly impairs alertness and produces daytime lethargy.

• Matthew HopkinsRelated: Keeping suspects awake helped Hopkins and his associates obtain confessions.

• SleepwalkingRelated: Lack of sleep can make episodes more likely by destabilizing deep sleep.

• ToothacheRelated: Persistent dental pain can interrupt sleep and impair daytime functioning.

• Mood swingRelated: Insufficient sleep can increase irritability and make emotions harder to regulate.

• Periorbital dark circlesCompared with: Poor sleep may make under-eye darkness more noticeable, but is not a universal cause.

• Sleep in animalsRelated: Rebound after deprivation helps identify sleep’s homeostatic regulation.

• SomnologyRelated: It reveals how insufficient sleep affects attention, mood, and physiology.