Insomnia

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Insomnia

Psychiatry

Psychiatry

Mood disorders: Clinical
Anxiety disorders: Clinical
Schizophrenia spectrum disorders: Clinical
Dissociative disorders: Clinical
Eating disorders: Clinical
Obsessive compulsive disorders: Clinical
Trauma- and stressor-related disorders: Clinical
Disruptive, impulse-control and conduct disorders: Clinical
Personality disorders: Clinical
Sleep disorders: Clinical
Somatic symptom disorders: Clinical
Sexual dysfunctions: Clinical
Paraphilic disorders: Clinical
Dementia and delirium: Clinical
Toxidromes: Clinical
Medication overdoses and toxicities: Pathology review
Environmental and chemical toxicities: Pathology review
Substance misuse and addiction: Clinical
Drug misuse, intoxication and withdrawal: Hallucinogens: Pathology review
Psychiatric emergencies: Pathology review
Schizophrenia spectrum disorders: Pathology review
Drug misuse, intoxication and withdrawal: Stimulants: Pathology review
Drug misuse, intoxication and withdrawal: Alcohol: Pathology review
Selective serotonin reuptake inhibitors
Serotonin and norepinephrine reuptake inhibitors
Tricyclic antidepressants
Monoamine oxidase inhibitors
Atypical antidepressants
Typical antipsychotics
Atypical antipsychotics
Lithium
Nonbenzodiazepine anticonvulsants
Anticonvulsants and anxiolytics: Barbiturates
Anticonvulsants and anxiolytics: Benzodiazepines
Psychomotor stimulants
Opioid agonists, mixed agonist-antagonists and partial agonists
Opioid antagonists
ADHD: Information for patients and families (The Primary School)
Attention deficit hyperactivity disorder
Autism spectrum disorder
Neurodevelopmental disorders: Clinical
Major depressive disorder
Suicide
Bipolar and related disorders
Major depressive disorder with seasonal pattern
Premenstrual dysphoric disorder
Generalized anxiety disorder
Social anxiety disorder
Panic disorder
Agoraphobia
Phobias
Obsessive-compulsive disorder
Body focused repetitive disorders
Body dysmorphic disorder
Post-traumatic stress disorder
Physical and sexual abuse
Schizoaffective disorder
Schizophreniform disorder
Delusional disorder
Schizophrenia
Delirium
Amnesia
Dissociative disorders
Anorexia nervosa
Bulimia nervosa
Cluster A personality disorders
Cluster B personality disorders
Cluster C personality disorders
Somatic symptom disorder
Factitious disorder
Tobacco dependence
Opioid dependence
Cannabis dependence
Cocaine dependence
Alcohol use disorder
Bruxism
Nocturnal enuresis
Insomnia
Night terrors
Narcolepsy (NORD)
Erectile dysfunction
Male hypoactive sexual desire disorder
Orgasmic dysfunction
Female sexual interest and arousal disorder
Genito-pelvic pain and penetration disorder
Disruptive, impulse control, and conduct disorders
Learning disability
Fetal alcohol syndrome
Tourette syndrome
Rett syndrome
Shaken baby syndrome
Enuresis
Encopresis
Serotonin syndrome
Neuroleptic malignant syndrome
Mood disorders: Pathology review
Amnesia, dissociative disorders and delirium: Pathology review
Personality disorders: Pathology review
Eating disorders: Pathology review
Psychological sleep disorders: Pathology review
Malingering, factitious disorders and somatoform disorders: Pathology review
Trauma- and stress-related disorders: Pathology review
Developmental and learning disorders: Pathology review
Childhood and early-onset psychological disorders: Pathology review
Vascular dementia
Frontotemporal dementia
Dementia: Pathology review
Alzheimer disease

Assessments

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High Yield Notes

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Insomnia

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Questions

USMLE® Step 1 style questions USMLE

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A group of researchers is studying the effects of alcohol on sleep. Alcohol is administered prior to nocturnal sleep to assess its physiological impact on sleep variables in healthy volunteers and control samples. Which of the following is most likely to be true in the patients given alcohol?  

External References

First Aid

2024

2023

2022

2021

Insomnia

AChE inhibitors p. 564

barbiturates for p. 561

benzodiazepines p. 561

marijuana withdrawal p. 589

nonbenzodiazepine hypnotics p. 562

stimulants causing p. 588

Transcript

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Contributors

Have you ever had one of those nights where you just can’t seem to fall asleep?

While that happens to everyone every occasionally, people with insomnia have to deal with these symptoms night after night.

Some people with insomnia have trouble falling asleep, whereas others wake up throughout the night, and struggle to fall back asleep.

These disturbances typically happen at least 3 times each week.

Acute insomnia lasts less than a month, whereas chronic insomnia lasts over a month.

Insomnia affects both the quantity and quality of sleep, which makes it hard for individuals to reach restorative levels of sleep, leading to daytime sleepiness and fatigue, and over time, feelings of irritability, anxiety, and depression.

This can cause professional and personal problems, as make day-to-day activities like driving more challenging and dangerous, with people struggling to stay awake on the road.

Although insomnia can happen without an underlying cause, it can also accompany and worsen other problems like pulmonary diseases, psychiatric conditions, and a whole variety of conditions that might cause pain.

Insomnia is also a common side effect of stimulants like caffeine, as well as depressants like alcohol, which can both disrupt the regular sleep cycle.

Finally, and probably most commonly, insomnia can be the result of daily stresses from work or relationships as well environmental factors such as having to work a night shift, or having a newborn baby.

There are a number of biological factors associated with insomnia.

Studies have shown that people with insomnia might have heightened levels of the stress hormone cortisol, which plays a role in the process of waking up every morning.

People with insomnia are also more sensitive to the effects of cortisol, typically waking up at much lower levels of cortisol compared to the general population.

Additionally, insomnia is also associated with reduced levels of estrogen and reduced levels of progesterone, which can happen during menopause.

Some individuals with insomnia resort to self-medicating with alcohol and benzodiazepines which can be extremely dangerous.