Sleepin

Quick links to important sections

Sleepin

Medically reviewed

Marina Burgos

Last updated on 10/01/2026

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Sleepin

Quick Facts

Property Description
Active Ingredient Nitrazepam
Form Tablet
Pharmacological Class Benzodiazepine derivative
General Purpose Sedation and Sleep Induction
Origin Synthetic

Defining Sleepin: Composition and Origin

Sleepin is a pharmaceutical preparation whose sole active ingredient is the synthetic chemical entity Nitrazepam, which is structurally classified as a nitrobenzodiazepine. This medication is manufactured as a single-ingredient product, confirming its purely synthetic origin. It is formulated as a solid oral dosage form, typically encountered as a tablet intended for oral ingestion, ensuring a systemic effect following absorption. Sleepin is classified as a prescription-only drug, aligning with its potent pharmacological profile.


What Type of Medicine is Sleepin?

Sleepin belongs to the benzodiazepine derivative class of drugs, falling under the broader groups of psycholeptics, hypnotics, and sedatives. Functionally, it is categorized as a powerful sedative-hypnotic drug and a Central Nervous System (CNS) depressant. Benzodiazepines like Nitrazepam are clinically recognized for their ability to produce calming effects. This classification signifies that the drug is designed to reduce neuronal excitability throughout the brain, promoting calmness and relaxation.


General Functional Purpose of Sleepin

The primary function of Sleepin is to utilize its potent calming effects to manage states of excessive nervous agitation, facilitating both sedation and the induction and maintenance of sleep. The medication achieves this by enhancing the activity of the body's chief inhibitory neurotransmitter, Gamma-aminobutyric acid (GABA), thereby suppressing overactive neural signaling. Nitrazepam is characterized as a long-acting compound with an elimination half-life that contributes to sustained hypnotic activity. This property suggests the medication's effects are intended to last for a significant duration to support a full night's sleep.

What side effects are possible with Sleepin?

Possible side effects and safety information

Official regulatory documents classify the adverse reactions of Nitrazepam, the active ingredient in Sleepin, primarily into Central Nervous System (CNS) and Psychiatric categories. The most common adverse effects relate to CNS depression, including somnolence (drowsiness), reduced alertness, fatigue, muscle weakness, and ataxia (uncoordinated movements). These effects are typically observed with greater frequency at the initiation of treatment.


Safety data emphasizes specific population-related risks. Older adults have an increased sensitivity to these CNS depressant effects, leading to a significantly higher risk of falls and hip fractures. Furthermore, the medication is contraindicated in severe hepatic insufficiency due to the risk of encephalopathy, and in conditions involving severe respiratory function impairment, such as significant sleep apnea syndrome.


Serious adverse reactions documented in regulatory labeling include the risk of potentially life-threatening respiratory depression, particularly when used concurrently with other CNS depressants, such as opioids. The development of physical and psychological dependence is a documented safety pattern associated with prolonged exposure, and abrupt cessation after chronic use carries the risk of severe withdrawal symptoms and rebound insomnia. Other serious reactions include anterograde amnesia (impaired memory of recent events) and, rarely, paradoxical behavioral changes like aggression or acute agitation. This official safety profile establishes clear constraints and necessary caution for the use of the medicine.

Overdose and Emergency Response

The official overdose profile for Nitrazepam (Sleepin) documents clinical manifestations arising from exaggerated central nervous system (CNS) depression. Presentation typically includes extreme somnolence, lethargy, ataxia (impaired coordination), and slurred speech, progressing in severity to a stuporous state or profound coma. Overdose severity escalates into life-threatening risk due to potential respiratory depression and respiratory arrest. The risk of death is particularly noted with the co-ingestion of other CNS depressants, such as alcohol.

Regulatory authorities strictly mandate that an individual seek immediate medical attention or contact emergency services immediately upon recognition of any suspected overdose or severe symptoms. The primary management is defined as supportive care, with the critical priority being the maintenance of a patent airway and support of respiration, which may require mechanical ventilation. Hospital monitoring and observation of vital signs are required until the drug’s effects are fully resolved. Flumazenil, a benzodiazepine antagonist, is documented as an available agent but its use is limited and contraindicated in specific high-risk scenarios. Furthermore, official labeling notes that elderly patients are at an increased risk for excessive CNS depression and severe outcomes.

Therapeutic Uses of Sleepin

The therapeutic uses of Sleepin (Nitrazepam) are focused on supporting the management of severe symptoms across two key domains: sleep disturbances and specific neurological manifestations.

This medication is generally considered relevant for addressing symptoms related to heightened physiological activity.


What Sleepin Treats: Main Uses and Benefits

Sleepin is primarily used for the symptomatic relief of severe, disabling insomnia characterized by difficult sleep onset, frequent waking during the night, or premature waking in the morning. This application is often relevant when symptoms create noticeable interference with daily stability and fatigue.

The medication may also be applied in situations involving specific neurological manifestations, such as certain myoclonic seizures and epileptic spasms (West's syndrome) in pediatric contexts, and is applied to help manage acute symptoms of excessive nervous agitation and accompanying skeletal muscle tension.

“The relief provided by this medication is supportive, helping patients cope more steadily with difficult symptomatic episodes.”

This use supports the patient during difficult episodes by easing distress and contributes to improved day-to-day comfort during symptomatic periods.

Quick Fact: Relief for Insomnia
Symptom Focus Difficult sleep onset, frequent nocturnal waking
Therapeutic Benefit Supports sleep stability and overall comfort
Clinical Context Acute, severe, and disabling episodes

Eligibility and Restrictions for Use

Who Can and Cannot Use Sleepin?

The population eligibility for Sleepin (Nitrazepam) is strictly defined by regulatory documents, distinguishing between groups that are permitted, restricted, or absolutely prohibited from use.

Absolute Contraindications

The medicine is absolutely contraindicated and must not be used by patients with certain severe, pre-existing conditions, including myasthenia gravis, severe respiratory insufficiency, sleep apnoea syndrome, and severe hepatic insufficiency. Additionally, any known hypersensitivity to benzodiazepines or a documented history of alcohol or drug dependence prohibits use.

Age and Conditional Restrictions

Use for insomnia is generally established only in adults. It is not recommended for children and adolescents under 18 years for this purpose. Older adults require use with caution and often a restricted dosage due to increased risks. The medicine is also not recommended for use in women who are pregnant or breastfeeding. Patients with mild to moderate hepatic impairment or chronic pulmonary insufficiency must use the medicine under restricted conditions.

What should I know about interactions with other medicines?

Sleepin's interaction profile is officially defined by two primary regulatory domains: pharmacodynamic reinforcement and impaired metabolic clearance. The most clinically significant interaction, classified as a severe risk, involves pharmacodynamic reinforcement with Central Nervous System (CNS) depressants, including opioid medications, antipsychotics, and other sedating agents. Co-administration results in additive depressant effects, increasing the documented risk of profound sedation and respiratory compromise.

A pharmacokinetic interaction is documented with specific hepatic enzyme inhibitors. Medicines such as cimetidine and certain macrolide antibiotics are officially stated to decrease the metabolism of Sleepin, which can lead to increased plasma concentrations and prolonged systemic exposure.

Interaction-related restrictions include a mandate to avoid alcohol due to its documented effect of significantly enhancing sedation. Furthermore, the use of Sleepin is formally contraindicated in patients with severe hepatic insufficiency, as this physiological condition impedes metabolic clearance and causes hazardous accumulation. An official timing restriction is noted, requiring administration to guarantee a full night's sleep is possible to ensure clearance and mitigate the risk of prolonged impairment. The regulatory profile also notes that elderly patients exhibit increased sensitivity to these effects due to reduced clearance.

Mechanism of Action

Modulating the Brain's Major Inhibitory System

The active ingredient, Nitrazepam, functions as a Positive Allosteric Modulator (PAM) on the GABA A receptor, a major inhibitory ion channel in the brain. The drug binds to a specific allosteric site, enhancing the natural effect of the endogenous neurotransmitter, GABA. This interaction increases the frequency of the chloride ion ( Cl^-) channel opening. This molecular action fundamentally targets the GABA ergic inhibitory pathway, resulting in reduced cellular excitability.


The Cascade to Central Nervous System Depression

The enhancement of chloride ion influx causes widespread neuronal hyperpolarization across the central nervous system (CNS). Hyperpolarization effectively raises the threshold required for neurons to fire an electrical impulse. This systemic dampening of neural communication results in Central Nervous System (CNS) depression, a physiological state characterized by reduced electrical activity in multiple neuronal circuits. This cascade, from molecular binding to neuronal stabilization, is the mechanism underlying the decreased global CNS output.

Dosage and Administration Information

Sleepin (Nitrazepam) is administered via the oral route, primarily using the tablet formulation, and is classified as a short-term treatment only. The medication is dosed on a once-daily basis, with the standard instruction to take the tablet immediately before retiring. This precise timing is crucial to align the drug's activity with the sleep period and requires the patient to secure an uninterrupted window of seven to eight hours for sleep following administration.

The general use model mandates that treatment must be initiated at the lowest effective dose. For adult use, the usual starting dose is 5 mg taken at night, and this may be adjusted up to a maximum standard dose of 10 mg for insomnia.

A central principle of use concerns treatment duration. The course must be kept as short as possible, generally varying from a few days up to two weeks, and should never exceed a total of four weeks, which includes the necessary process of discontinuation. In specific patient groups, such as older adults (the elderly) or those with hepatic or renal impairment, the starting dose must be reduced, often to 2.5 mg to 5 mg, due to an increased susceptibility to effects. Furthermore, therapy must not be stopped abruptly; instead, the dose must be tapered off gradually to minimize physiological consequences related to cessation. Use of the tablet formulation for insomnia in children under 12 years of age is generally not supported by official labeling.

Recent Clinical Evidence

Research evidence / Overview of studies for Sleepin


Evidence for Use in Severe, Disabling Insomnia

Research has explored Sleepin primarily in conditions like severe insomnia. The evidence comes mainly from short-term Randomized Controlled Trials (RCTs) and systematic reviews that summarize these trials. These studies monitored outcomes related to functional imbalance, specifically focusing on the time it takes to fall asleep, the duration of sleep, and the amount of waking that occurs after sleep has begun.

The findings describe patterns observed in the studies where measurements of sleep time and speed of sleep onset showed distinct metrics when compared to placebo groups over the short duration of the observation. Research provides insight into short-term changes measured in sleep patterns, with these changes typically observed in some studies over defined time intervals, such as the initial 7 to 14 days of the treatment period.

Evidence for Use in Specific Pediatric Epileptic Syndromes

Sleepin was studied for use in conditions associated with acute or disruptive episodes, specifically certain severe epileptic syndromes in infants and young children, such as Infantile Spasms (West’s Syndrome). The evidence base for this use includes comparative RCTs that examined Sleepin alongside other treatments, alongside necessary open-label trials and prospective observational studies conducted in these small, specialized populations. Researchers primarily monitored outcomes describing episodic or acute changes, such as changes in spasm frequency and the percentage of patients describing patterns of spasm absence.

Research Gaps and Areas of Uncertainty

While research provides insight into short-term changes, long-term effects are not fully established. Follow-up durations were typically limited in many core trials. This means there is limited information for long-term outcomes regarding the sustained impact on sleep quality or the durability of the patterns observed over many months or years. Furthermore, evidence quality varies across studies, particularly for the neurological indications, which rely more heavily on older, retrospective data rather than modern, large-scale RCTs, meaning that certainty remains low in several key areas.

Frequently Asked Questions (FAQ)

Common questions about Sleepin (FAQ)

Q: Do you get withdrawal symptoms when stopping Sleepin?

Official information describes common withdrawal symptoms upon sudden discontinuation, which may include headaches, anxiety, trouble sleeping (known as rebound insomnia), restlessness, confusion, or nausea. Because of this, regulatory guidelines describe the need for the dose to be gradually reduced (tapered) rather than stopped abruptly.

Q: Can Sleepin be used by older adults?

Regulatory documents state that the use of this medicine in older adults requires caution, and official data indicates that a reduced or adjusted dose is often used in this population. This is because older patients often show an increased sensitivity to the effects of the medicine. Official data notes this increased sensitivity can lead to a higher risk of side effects, such as falls or confusion.

Q: Can Sleepin affect my memory the next day?

The official safety warnings include the risk of anterograde amnesia, which is an impaired memory of recent events that occurred after taking the medicine. To help ensure the drug is cleared from the body, official information notes the importance of allowing a full night’s sleep (seven to eight hours) to help mitigate the risk of prolonged impairment, such as memory issues or reduced alertness the next day.

Q: Does Sleepin cause changes in appetite or weight?

Changes in appetite or weight are not commonly listed as frequent standalone side effects of the medicine. However, official safety information mentions that changes in weight may be seen as a possible sign of depression, which is a potential adverse reaction of the medicine.

Q: Does taking Sleepin affect my ability to drive or operate machinery?

Regulatory warnings clearly state that this medicine can significantly impair vigilance and motor skills due to its effect on the central nervous system. Because of this, official warnings caution against driving or operating complex machinery until the patient knows exactly how the medicine affects their coordination and judgment.

Q: Is it possible to be allergic to Sleepin?

Yes, the official product information indicates that allergic reactions are a documented risk. The medicine is contraindicated, meaning it must not be used, in patients who have a known hypersensitivity (severe allergic reaction) to benzodiazepines or any of its components.

Q: Can Sleepin be crushed or split?

The tablet formulation is often manufactured with a breakline. This feature is documented as permitting the tablet to be divided into equal halves, which may be relevant for dose adjustments. This ability to divide the tablet is sometimes used to help facilitate proper dose adjustment.

Q: Do men and women react differently to Sleepin?

Studies have suggested that women may exhibit an increased sensitivity to benzodiazepines compared to men. Additionally, studies indicate that the use of oral contraceptives may affect the amount of time it takes for the drug to clear from the body.

Q: Is Sleepin considered habit-forming or addictive?

Official regulatory documents warn of the risk of developing physical and psychological dependence, especially with long-term or high-dose use. The terms 'habit-forming' and 'addiction' are commonly used by the public to describe this documented risk of dependence.

Q: Are there any specific foods or drinks to avoid while using Sleepin?

According to official product information, the medicine may be taken with or without food. However, regulatory guidance mandates that co-administration with alcohol must be avoided. Alcohol significantly enhances the sedative effects of the medicine, which increases the risk of serious side effects.

Q: What if Sleepin stops working for me after a while?

Regulatory documents note that after repeated use for a few weeks, some loss of the hypnotic effect, known as tolerance, may develop. This means the medicine may not work as well for sleep induction or maintenance.

Q: Can I take Sleepin if I have a history of depression?

Official prescribing information contains an advisory that this medicine is not indicated for use alone in the treatment of depression or anxiety that is associated with depression. This caution is issued due to a documented risk of precipitating suicidal tendencies in certain patients.

Q: What kind of studies support the use of Sleepin?

The research evidence supporting the medicine’s use comes from several sources. These include findings from short-term Randomized Controlled Trials (RCTs) and systematic reviews. For specific neurological indications, the evidence also includes open-label and observational studies.

Q: Does Sleepin affect blood pressure or heart rate?

Studies have described that the medicine may cause hypotensive effects, which means a fall in blood pressure. Additionally, co-administration with other Central Nervous System (CNS) depressants carries a documented risk of cardiovascular depression.

Q: Is there a maximum time frame for how long Sleepin is intended to be used?

Official regulatory guidelines state that the course of treatment should be kept as short as possible. Regulatory guidelines define that the total course of treatment, including gradual discontinuation, is typically limited and generally should not exceed four weeks.

Q: Can Sleepin cause strange dreams or nightmares?

Yes, the regulatory safety data lists nightmares as one of the documented psychiatric and paradoxical reactions. These types of reactions, which can also include agitation or hallucinations, are officially documented as known to occur rarely.

How should Sleepin be stored and disposed of?

How to Store and Dispose of Sleepin?

Sleepin (Nitrazepam) must be stored according to official regulatory requirements to ensure product integrity and public safety, given its classification as a controlled substance.

Storage Requirement Official Condition
Temperature Store at room temperature, typically below 25 C (77 F).
Protection Keep protected from excess moisture and direct light. Do not store in high-humidity areas.
Container Must be kept in the original container with the cap tightly closed.
Child Safety Mandatory: Keep the medicine out of the sight and reach of children and pets, ideally in a locked location.

Disposal Instructions

Disposal of unused or expired tablets must prioritize authorized programs. The primary method is utilizing a DEA-authorized drug take-back program or kiosk. If this is unavailable, the alternative is to mix the tablets with an undesirable substance (e.g., used coffee grounds) in a sealed bag and place it in the household trash. Do not dispose of the medicine in wastewater or down a drain.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

Available in countries:

Equivalent of Sleepin found in:

A-Z Index: