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Sedatives and Hypnotics Drugs: Miscellaneous Agents01:17

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Sedatives and hypnotics encompass a wide range of substances, each with its unique mechanism of action, uses, and potential adverse effects.
Melatonin congeners like ramelteon (Rozerem) and tasimelteon (Hetlioz) selectively bind to melatonin receptors (MT1 and MT2) and thus mimic the actions of melatonin, a hormone that regulates sleep-wake cycles. Tasimelteon is primarily used for non-24-hour sleep-wake disorder, common in blind patients. They are also used to treat conditions like insomnia...
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Sedatives are drugs that alleviate anxiety, while hypnotics induce sleep. Both classes of medication suppress neuronal activity, leading to a calming effect for sedatives and facilitating sleep for hypnotics.
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The sleep cycle, an integral part of human health, consists of several stages with distinct characteristics and functions. It begins with a transition from wakefulness to sleep, known as the light sleep phase, followed by the restorative deep sleep phase, essential for physical recovery and growth. The cycle concludes with the Rapid Eye Movement (REM) phase, characterized by high brain activity and vivid dreaming. Insomnia, a prevalent sleep disorder, involves difficulty falling asleep, staying...
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Benzodiazepines have both sedative and hypnotic properties. They include compounds such as diazepam (Valium) and alprazolam (Xanax). Structurally, their cores are similar, consisting of the fusion of a benzene ring and a diazepine ring, but they share a common mechanism of action in the central nervous system (CNS).
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CNS depressants include drugs from the category of barbiturates and benzodiazepines. They are valuable medications for managing anxiety disorders and insomnia. Barbiturates, once used to induce and maintain sleep, have been replaced mainly by benzodiazepines due to barbiturate's toxicity, tolerance, and overdose risks. They interact with GABAA receptors, leading to sedation at low doses and potentially coma and death at higher doses. Phenobarbital, a long-acting barbiturate, possesses...
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Drug-Induced Sleep Endoscopy DISE with Target Controlled Infusion TCI and Bispectral Analysis in Obstructive Sleep Apnea
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Medication effects on sleep and breathing.

Gilbert Seda1, Sheila Tsai2, Teofilo Lee-Chiong3

  • 1Department of Pulmonary and Sleep Medicine, Naval Medical Center San Diego, 34730 Bob Wilson Drive, Building 3-3, Suite 301, San Diego, CA 92134, USA.

Clinics in Chest Medicine
|August 27, 2014
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Summary
This summary is machine-generated.

Sleep respiration involves complex regulation influenced by various factors, with breathing changes more pronounced during rapid eye movement sleep. Medications can help manage sleep apnea but may carry risks, especially for vulnerable patients.

Keywords:
AntipsychoticsBenzodiazepinesCentral sleep apneaEstrogenHypnoticsObstructive sleep apneaProgesteroneTestosterone

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Area of Science:

  • Physiology
  • Sleep Medicine
  • Respiratory Regulation

Background:

  • Sleep respiration is a complex process influenced by circadian, endocrine, mechanical, and chemical factors.
  • Ventilatory drive is diminished during sleep, with altered partial pressure of oxygen (PaO2) and carbon dioxide (PaCO2) thresholds.
  • Rapid eye movement (REM) sleep is associated with more pronounced hypoxemia and hypercapnia.

Purpose of the Study:

  • To review the regulatory mechanisms of sleep respiration.
  • To discuss the impact of sleep stage and patient factors on breathing.
  • To examine the role and potential adverse effects of medications in sleep-disordered breathing.

Main Methods:

  • Literature review of factors influencing sleep respiration.
  • Analysis of physiological changes during different sleep stages.
  • Evaluation of medication effects and risks in sleep-disordered breathing.

Main Results:

  • Sleep respiration is modulated by multiple physiological systems and sleep stages.
  • Obstructive sleep apnea and periodic breathing can be partially managed with medications.
  • Adverse medication effects are a concern, particularly in aging patients with comorbidities or polypharmacy.

Conclusions:

  • Understanding the multifactorial regulation of sleep respiration is crucial.
  • Medications offer therapeutic benefits for certain sleep breathing disorders but require careful consideration of risks.
  • Patient-specific factors significantly influence both the pathophysiology and treatment response of sleep-disordered breathing.