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Related Concept Videos

Narcolepsy01:07

Narcolepsy

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Narcolepsy is a chronic sleep disorder characterized by pervasive, uncontrolled sleepiness and other sleep disturbances. One of its hallmark symptoms is an abrupt transition to REM sleep upon falling asleep, which causes symptoms typically associated with this phase to occur unexpectedly during wakefulness. These include the following symptoms, which typically last from a minute or two to half an hour.
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Sleep-Wake Cycles01:24

Sleep-Wake Cycles

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Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and  rapid eye movement (REM).
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
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Management of Insomnia01:19

Management of Insomnia

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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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Sedatives and Hypnotics Drugs: Miscellaneous Agents01:17

Sedatives and Hypnotics Drugs: Miscellaneous Agents

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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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REM Sleep Behavior Disorder01:15

REM Sleep Behavior Disorder

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REM Sleep Behavior Disorder (RBD) is a sleep disorder characterized by the absence of muscle paralysis that normally occurs during the REM phase of sleep. This absence allows individuals to physically act out their dreams, which are often vivid and disturbing. Common behaviors exhibited during episodes include kicking, punching, and yelling. These actions can be dangerous, potentially leading to injuries for the person with RBD or their bed partner.
RBD is significantly associated with...
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Sedatives and Hypnotics: Overview01:23

Sedatives and Hypnotics: Overview

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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.
Sedative-hypnotics are categorized into barbiturates, benzodiazepines (BZDs), and non-benzodiazepines or Z-drugs. These drugs work by suppressing central nervous system activity, and this suppression is dose-dependent. Older sedative medications, like barbiturates, follow a linear curve in...
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Author Spotlight: Overcoming Challenges in Drosophila Sleep Measurement Using DAM System
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Update on therapy for narcolepsy.

Michael J Thorpy1

  • 1Sleep-Wake Disorders Center, Montefiore Medical Center, Bronx, NY, USA, thorpy@aecom.yu.edu.

Current Treatment Options in Neurology
|April 10, 2015
PubMed
Summary
This summary is machine-generated.

Narcolepsy is a neurological disorder impacting sleep. First-line treatments like sodium oxybate and modafinil manage excessive daytime sleepiness and cataplexy, though lifelong medication is often required.

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Area of Science:

  • Neurology
  • Sleep Medicine
  • Pharmacology

Background:

  • Narcolepsy is a severe, incurable neurological disorder.
  • Key symptoms include excessive daytime sleepiness (EDS) and cataplexy, alongside sleep paralysis, hypnagogic hallucinations, and disturbed nocturnal sleep.

Purpose of the Study:

  • To review current pharmacological management strategies for narcolepsy symptoms.
  • To highlight first-line and alternative treatments for EDS and cataplexy.

Main Methods:

  • Review of existing literature on narcolepsy treatments.
  • Analysis of FDA-approved and non-FDA-approved medications.
  • Discussion of combination therapy efficacy.

Main Results:

  • Sodium oxybate and modafinil/armodafinil are first-line for EDS; sodium oxybate is first-line for cataplexy.
  • Sodium oxybate addresses all narcolepsy symptoms, while modafinil targets EDS only.
  • Alternative EDS treatments include methylphenidate and amphetamines; non-FDA approved cataplexy treatments include norepinephrine reuptake inhibitors.

Conclusions:

  • Combination therapy can enhance symptom management.
  • Narcolepsy medications are generally well-tolerated but typically require lifelong use.
  • Current treatments manage symptoms but do not eliminate all narcolepsy manifestations.