concept

sadness

Facts (13)

Sources

Why Sleep Matters: Consequences of Sleep Deficiency sleep.hms.harvard.edu Harvard Medical School 3 facts

claimSelf-reported symptoms of stress, sadness, anger, and mental exhaustion improved dramatically when subjects returned to a normal sleep schedule.

measurementIn one study, subjects who slept four and a half hours per night reported feeling more stressed, sad, angry, and mentally exhausted.

The Impact of Maternal Childhood Trauma on Children's Problem ... dovepress.com Dove Press Nov 4, 2024 2 facts

claimChildren often learn negative emotional responses, such as fear, anger, and sadness, from their mothers, adopting similar emotional and behavioral patterns that contribute to the development of behavioral issues.

claimParents with childhood trauma often exhibit strong emotional responses such as fear, anger, sadness, and avoidance behaviors, which are observed and learned by young children, affecting their behavioral and emotional development.

Emotional Development and Attachment | Lifespan Development courses.lumenlearning.com Lumen Learning 2 facts

referenceAccording to Thiam et al. (2017), anger in infants is a healthy response to frustration, whereas sadness, which appears in the first months, typically indicates withdrawal.

claimInfants express pleasure through laughter between 3 and 5 months of age, and express displeasure specifically as fear, sadness, or anger between 6 and 8 months of age.

Sleep Deprivation, Sleep Disorders, and Chronic Disease - CDC cdc.gov Alberto R. Ramos, Anne G. Wheaton, Dayna A. Johnson · CDC Aug 31, 2023 1 fact

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.

The Evolution of Transcendence | Evolutionary Psychological Science link.springer.com Springer Jun 1, 2016 1 fact

claimMusicians construct melodies that exploit the emotional core of human conversation by embedding patterns that evoke nonverbal syntax and intonations associated with emotions like happiness, sadness, anger, and sexual interest.

Self-awareness, self-regulation, and self-transcendence (S-ART) frontiersin.org Frontiers in Human Neuroscience 1 fact

referenceFarb et al. (2010) found that mindfulness training alters the neural expression of sadness in the study 'Minding one's emotions: mindfulness training alters the neural expression of sadness' published in Emotion.

Benefits of Sleep: Improved Energy, Mood, and Brain Health sleepfoundation.org Sleep Foundation Jul 22, 2025 1 fact

claimInadequate sleep increases the risk of experiencing mental distress, irritability, frustration, anxiety, or sadness.

Sleep Deprivation and Deficiency - How Sleep Affects Your Health nhlbi.nih.gov National Heart, Lung, and Blood Institute Jun 15, 2022 1 fact

claimSleep-deficient individuals may experience anger, impulsivity, mood swings, sadness, depression, lack of motivation, difficulty paying attention, increased stress, and lower academic grades.

Evolutionary psychology - Wikipedia en.wikipedia.org Wikipedia 1 fact

claimHumans share at least five basic emotions: fear, sadness, happiness, anger, and disgust.