Related Experiment Video
Updated: May 11, 2026
08:08
Eye Tracking, Cortisol, and a Sleep vs. Wake Consolidation Delay: Combining Methods to Uncover an Interactive Effect of Sleep and Cortisol on Memory
Published on: June 18, 2014
Sleep and emotions: bidirectional links and underlying mechanisms
Michal Kahn1, Gal Sheppes, Avi Sadeh
1The School of Psychological Sciences, Tel Aviv University, Israel.
Summary
Sleep and emotions are intricately connected. This review examines how sleep deprivation impacts emotional states and how emotions affect sleep, exploring underlying mechanisms for future research.
Area of Science:
- Psychology
- Neuroscience
- Sleep Science
Background:
- The interplay between sleep and emotional regulation is increasingly recognized.
- Existing literature highlights a complex, bidirectional relationship between sleep and emotions.
Purpose of the Study:
- To review current empirical findings on the effects of sleep (especially deprivation) on emotions.
- To synthesize research on how emotions influence sleep patterns.
- To explore potential mechanisms linking sleep and emotional states.
Main Methods:
- Literature review of empirical studies.
- Synthesis of current research findings.
- Exploration of proposed underlying mechanisms.
Main Results:
- Sleep deprivation negatively impacts emotional processing and regulation.
- Emotional experiences can disrupt sleep onset, maintenance, and quality.
- Several neurobiological and psychological mechanisms are implicated in these associations.
Conclusions:
- The relationship between sleep and emotion is robust and bidirectional.
- Further research is needed to develop a comprehensive theoretical framework.
- Understanding these links has implications for mental health and well-being.
Related Concept Videos
01:11Understanding Sleep
Sleep, an essential biological state, involves significant reductions in physical activity, sensory awareness, and interaction with the environment. This complex physiological process is primarily regulated by specific brain regions, notably the hypothalamus and pons, which govern the sleep-wake cycle or circadian rhythm.
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
01:20Physiology of Emotion
The physiology of emotions is a multifaceted process involving the autonomic nervous system, brain structures, hormones, and neurotransmitters. This intricate interplay dictates how emotions manifest in the body and influence behavior.
Autonomic Nervous System
The autonomic nervous system (ANS) plays a critical role in emotional responses by regulating involuntary physiological functions. It consists of two main components: the sympathetic and parasympathetic systems. The sympathetic system...
Autonomic Nervous System
The autonomic nervous system (ANS) plays a critical role in emotional responses by regulating involuntary physiological functions. It consists of two main components: the sympathetic and parasympathetic systems. The sympathetic system...
01:01Role of Emotions in Social Life
Emotions play a fundamental role in shaping human experience and interactions. The absence of emotions would render life incomplete and fail to capture the essence of human nature. In social psychology, feelings and moods have been extensively studied due to their profound impact on social life and interpersonal relationships. These affective states influence decision-making, behavior, and social perceptions, making them integral to understanding human interactions.Emotions and Social...
01:29The Influence of Cognition on Affect
Cognition plays a pivotal role in shaping emotional experiences, as demonstrated by Schachter and Singer’s two-factor theory of emotion. According to this model, emotion arises from a combination of physiological arousal and cognitive interpretation. The body’s physiological response to stimuli is ambiguous and only gains emotional significance through cognitive labeling. For instance, an increased heart rate and adrenaline surge while standing near an attractive person may be interpreted as...
01:20Cognitive Theories: Schachter-Singer Theory of Emotion
Stanley Schachter and Jerome Singer proposed the two-factor theory of emotion, which emphasizes the interplay between physiological arousal and cognitive labeling in forming emotional experiences. This theory suggests that emotions are not simply a result of physiological responses but rather a combination of these responses and the individual's cognitive interpretation of them.
Physiological Arousal and Cognitive Labeling
According to this theory, when an individual experiences physiological...
Physiological Arousal and Cognitive Labeling
According to this theory, when an individual experiences physiological...
01:30Introduction to Biological Bases of Psychology
Biopsychology serves as a vital bridge connecting the intricate domains of biology and psychology, shedding light on how biological systems influence psychological phenomena. This field scrutinizes the biological substrates of behavior and mental processes, emphasizing the nervous system along with the roles of neurotransmitters, hormones, and genetics. It also incorporates evolutionary perspectives to explain the adaptive nature of mental functions.
The nervous system, the cornerstone of...
The nervous system, the cornerstone of...