Pharmacological Modulation of Sleep Patterns
Summary
Pharmacological modulation of sleep patterns encompasses the use of chemical agents to alter the initiation, maintenance and architecture of sleep. Agents targeting the GABAergic system, including benzodiazepines and non-benzodiazepine hypnotics, remain the cornerstone of sleep induction, enhancing inhibitory neurotransmission and increasing slow-wave sleep. In parallel, novel compounds such as orexin receptor antagonists promote sleep by dampening arousal pathways, while melatonergic agonists regulate circadian timing. Conversely, wake-promoting drugs—ranging from modafinil to dopamine receptor modulators—counter excessive daytime sleepiness by stimulating ascending arousal systems. Recent efforts have shifted towards receptor-subtype specificity and allosteric modulation, aiming to minimise tolerance, dependence and nocturnal fragmentation. Collectively, these strategies highlight an evolving landscape in which precision targeting of sleep-regulating circuits offers therapeutic promise for insomnia, hypersomnia and circadian rhythm disorders.
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Pharmacological Modulation of Sleep Patterns publication trend
The graph below shows the total number of articles in pharmacological modulation of sleep patterns across all publications each year (not limited to Nature Index journals).
Technical terms
Positive allosteric modulator: A compound that binds to a receptor at a site distinct from the primary (orthosteric) binding pocket to enhance the receptor’s response to its endogenous ligand.
Slow-wave sleep (SWS): The deepest stage of non-REM sleep characterised by high-amplitude, low-frequency EEG activity associated with restorative functions.
Rapid eye movement (REM) sleep: A sleep stage marked by desynchronised EEG, rapid eye movements and vivid dreaming, important for memory consolidation.
Polysomnography: A comprehensive sleep study recording multiple physiological parameters—EEG, eye movements, muscle activity and respiration—to assess sleep architecture.
Sleep latency: The time interval between lights-out and the onset of sleep, often measured in clinical sleep studies to evaluate sleep initiation.
Dopamine D1 receptor: A subtype of dopamine receptor involved in modulating wakefulness, cognition and motor control, and a target for wake-promoting agents.
References
- A randomized phase 1 single-dose polysomnography study of ASP8062, a GABAB receptor positive allosteric modulator. Psychopharmacology (2021).
- The Dopamine D1 Receptor Positive Allosteric Modulator Mevidalen (LY3154207) Enhances Wakefulness in the Humanized D1 Mouse and in Sleep-Deprived Healthy Male Volunteers. Journal of Pharmacology and Experimental Therapeutics (2021).
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