Modafinil in regulating Sleep Cycle

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Not exactly an amphetamine, Modafinil also helps with alertness and attentiveness. The drug stimulates the brain and fights the effects of excessive sleeping which occurs in narcolepsy and some other sleep disorders like shift-work sleep disorder and obstructive sleep apnoea. It requires a prescription and comes in a generic form as well. It alters the activity of enzymes in the liver that functions in eliminating other drugs from the body. Therefore, your treatment plan with Modafinil should be carefully monitored at all times. It also helps with ADHD, chronic fatigue syndrome, multiple sclerosis and depression.


Modafinil’s exact mechanism is not common knowledge but it is commonly prescribed for following conditions.


A sleep disorder which promotes excessive and recurrent episodes of sleep. It is a chronic disease which promotes an uncontrollable desire to sleep altering the sleep-cycle greatly.

Shift Work Sleep Disorder:

This condition is often observed when the normal sleep cycle and rhythm is disturbed due to working in late shifts or hours.

Obstructive Sleep Apnoea/ Hypopnea Syndrome:

Shallow breathing or pauses in the breathing due to different problems cause sleep disturbance at night. This interruption throughout the night causes this condition and enhances daytime drowsiness.


Sold under the brand name Provigil, these tablets come in 100 mg or 200 mg dosage and are known as wakefulness promoting agents. The tablets contain inactive ingredients like pregelatinized starch, magnesium stearate, lactose monohydrate, povidone, microcrystalline cellulose, and roscarmellose sodium.

Modafinil works by reducing the reuptake of dopamine which ultimately leads to increased levels of dopamine in the brain. Dopamine is the significant neurotransmitter used by nerve impulses for communication.


Dosage for Narcolepsy:

From 200 mg to 400 mg is prescribed which can be taken orally not necessarily with food intake. Mostly prescribed for once a day in the morning. Some prescriptions follow a divided rule where the same dosage is separated into a morning and noon dose.

Dosage for Obstructive Sleep Apnea:

Up to 400 mg may be taken by mouth once at the start of the day as prescribed. It can be taken with other treatments for breathing problems like CPAP machine and mouth device unless advised otherwise.

Dosage for Shift Work Sleep Disorder:

Buy Modafinil 200 Mg online which can be taken orally (200 mg) with no restrictions of meals. It is usually prescribed for once a day almost one hour before you begin your daily work shift.

Side Effects

When taken for long periods for time, its effectiveness will decrease. It may also cause an addiction if not regulated properly. Withdrawal symptoms are also observed in some patients including excessive shaking, nausea, perspiration, anxiousness and chills in the body.

It is usually a well-tolerated medicine with positive treatment response in most patients. Some patients experience side effects ranging from mild to severe which include, headache, body tremors, heart palpitations, symptoms of psychosis, depressive behavioral changes, abnormal functioning of liver, anxiety, agitation and tachycardia. Most of these side effects are short term side effects with no persisting effects but other severs behavioral changes might last longer than anticipated.