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Let's learn about the Ramelteon pill, which is given to those who can't sleep.

MBBS

Medically reviewed by MBBS — Updated on Jul 14, 2026 · 7 min read

Let's learn about the Ramelteon pill, which is given to those who can't sleep.
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When you go to bed at night, can't you fall asleep? Do you spend hours tossing and turning? When you have difficulty falling asleep quickly, we medically call it insomnia. So, a special medicine that doctors sometimes prescribe to treat this condition is Ramelteon. If you have been prescribed this medicine, it is very important to be fully informed about it. Let's talk about this in detail today.

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Simply put, what is Ramelteon?

Although it is called a sleeping pill, it is not like other sleeping pills. Ramelteon is a medicine that helps you fall asleep quickly . Our brain has a natural hormone called melatonin. This hormone is secreted at night and we fall asleep. So what this Ramelteon medicine does is stimulate the receptors in the brain that are sensitive to the melatonin hormone and help start the natural sleep-inducing process in your body. So you fall asleep quickly.

The most important thing is that this medication should only be used for difficulty falling asleep . It is not usually given for waking up in the middle of the night or for other sleep problems.

Things you need to tell your doctor before taking medicine

Before prescribing Ramelteon to you, it is essential that your doctor is fully aware of your health condition. If you have any of the conditions listed below, be sure to tell your doctor about it.

Illness or condition Why should you inform the doctor?
Liver disease Since the drug is eliminated from the body through the liver, if liver function is impaired, the effects of the drug may be unnecessarily increased.
Lung or respiratory disease (e.g. asthma, COPD) This medicine can sometimes have a slight effect on breathing, so people with respiratory diseases should be especially careful.
Sleep apnea It is imperative to inform your doctor about this, as sleep apnea can worsen.
Mental health problems (such as depression, anxiety) This medication can cause changes in the mental state of some people, so if you have a pre-existing mental health problem, you should talk about it.
If you or someone in your family has had suicidal thoughts This is very important. The doctor should be aware of this risk, as the medication can cause mental changes.
Allergies to Ramelteon or other medicines/foods This information is essential to prevent the risk of allergies.
If you are pregnant or trying to get pregnant The safety of this medication during pregnancy has not been established, so you should discuss this with your doctor.
If you are a breastfeeding mother You should discuss with your doctor whether the medicine can pass to the baby through breast milk.

How should I use this medicine?

To get the most out of this medicine, it is very important to use it correctly.

  • Take the pill with a glass of water.
  • Take the pill only when you are ready to go to sleep . That means before going to bed.
  • Do not break, crush, or chew the tablet. Swallow it whole.
  • Do not take this medicine with food or after a heavy meal. Doing so may delay or reduce the effectiveness of the medicine.
  • After taking this medicine, plan to sleep for at least 7-8 hours straight .
  • If you accidentally drink too much: Don't panic. ImmediatelyCall the National Poison Information Centre at the Colombo National Hospital, or go to the Emergency Treatment Unit (ETU) of the nearest hospital.
  • Most importantly: This medicine was prescribed for you by your doctor. Never give your medicine to anyone else, even if that person has the same sleep problem as you.

Other things that may interact with this medicine

Ramelteon can interact with other medications, so tell your doctor about all the medications you are taking (including vitamins and herbal products).

Absolutely DO NOT take Ramelteon with these
Fluvoxamine Tasimelteon
Melatonin Viloxazine
Be extra careful with these.
Alcohol Other types of sleeping pills
Antifungals (e.g. ketoconazole, fluconazole) Rifampin (a medicine for tuberculosis)
Ciprofloxacin (an antibiotic) Medications like Donepezil, Doxepin

Things to be careful about when taking medication

Strange things you do in your sleep

This is very important. Some people may wake up after taking this medicine and do various things, but when they look back the next day, they won't remember any of it.For example, sleep-driving, cooking, eating, calling someone, or having sex. If you notice that something like this has happened to you, stop taking the medication immediately and talk to your doctor.

Changes in mental health

Watch for changes in your behavior or thoughts while taking this medicine. Tell your doctor right away if you or your family notice new or worsening depression, suicidal thoughts, anxiety, agitation, unusual thoughts, or memory loss.

Feeling sleepy the next day

Even if you sleep for 7-8 hours after taking the medicine, you may still feel drowsy and sluggish the next morning. Therefore, do not do anything that requires alertness, such as driving or operating machinery, until you know exactly how this medicine affects your body.

What are the possible side effects of the medication?

Like any medicine, Ramelteon can cause side effects. Some are serious, while others are common.

Serious side effects that should be reported to the doctor immediately
Allergic reactions / Angioedema Skin rash, itching, swelling of the face, lips, tongue, difficulty breathing or swallowing.
Mental and behavioral changes New or worsening depression, suicidal thoughts, anxiety, agitation, hallucinations.
Unusual sleep behaviors You may experience things like driving, eating, or making phone calls while asleep without remembering.
Hormonal changes (High prolactin)Abnormal breast growth, milky discharge from the breasts, changes in sexual desire, and irregular menstrual cycles in women.
Side effects that are usually not serious, but should be reported to the doctor if they persist
Dizziness It may occur during the initial period of taking the medicine.
Drowsiness the day after This may occur until the body gets used to the medication.
Fatigue Feeling tired in the body.

💡 Take-Home Message

  • Ramelteon should only be taken right before going to bed. Also, take it at a time when you can sleep for at least 7-8 hours straight after taking the pill.
  • Do not take this medicine with food or immediately after a full meal.
  • Don't forget to tell your doctor about any other medications you take and any illnesses you have.
  • If you find yourself doing strange things in your sleep without remembering, or if you feel anxious or depressed, stop taking the medication immediately and talk to your doctor.
  • You may still feel drowsy the next morning after taking the medicine. Therefore, do not drive until you are confident about the effect of the medicine on your body.
  • If you have any further questions about this medication, please speak openly with your doctor.
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⚠️ Important: Medical articles and information on Nirogi Lanka are strictly for educational and awareness purposes and do not substitute professional medical advice, diagnosis, or treatment. Always consult a qualified physician for any medical concerns.