Saturday, July 2, 2022

Sleepiness: what is it and what causes it?

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Shreya Christina
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It may sound strange to think, but what is drowsiness and what causes it? Does sleepiness indicate the presence of sleep problems such as sleep apnea or narcolepsy? What is the difference between drowsiness and tiredness or fatigue? Let’s see.

What is the definition of sleepiness?

The desire to sleep is called drowsiness. It is also known as drowsiness, and it usually gets worse the longer we stay awake. To understand the true meaning of drowsiness, consider the following extreme example:

Imagine if you didn’t get enough sleep the last few nights, and then you ate a fantastic lunch with turkey, mashed potatoes and gravy, as well as lots of alcohol. It’s two in the afternoon and you’re sitting in a big soft chair in an overheated room. You read a boring book or watch a boring television program. Your eyelids begin to droop. You have a warm feeling in your stomach. You are about to fall asleep. You are sleepy.

More specifically, fatigue has been linked to the build-up of adenosine, a chemical messenger or neurotransmitter in the brain. Adenosine can accumulate between and between nerve cells, and higher amounts of it in the brainstem’s reticular activation system have been linked to increased sleepiness. (Interestingly, caffeine causes you to wake up by suppressing the effect of adenosine in the brain. It’s potentiated by the alcohol, making you sleepy.) These cases force people to modalert stay awake.

Drowsiness can occur naturally or as a result of a sleep disorder. Every day people feel sleepy, especially before going to bed. The longer you stay up, the sleepier or sleepier you become. You will also feel sleepier at times when you should be sleeping, such as at night. This has to do with the function of the circadian rhythm. During periods of sleep deprivation, drowsiness may worsen. You may feel more sleepy during the day if you don’t sleep well.

Causes that may exist

A sleep problem can be indicated by excessive sleepiness in combination with an acceptable amount of sleep time. Excessive daytime sleepiness is a typical complaint in people with sleep apnea or narcolepsy, and is often tested using the Epworth Sleepiness Scale. Each of these diseases causes sleep fragmentation, which disrupts the restorative function of sleep. Idiopathic hypersomnia is a condition that causes sleepiness in certain individuals for no known reason.

Drowsiness can also be caused by eating meals high in tryptophan (such as turkey), drinking alcohol, or as a side effect of medications (including sleeping pills). Postprandial fatigue is when you feel sleepy after eating a meal. That’s why people tend to modafinil to stay alert.

Do you feel sleepy or tired?

It is critical to distinguish drowsiness or drowsiness from fatigue or exhaustion. Fatigue is a common complaint of insomnia related to sleep disorders. People who suffer from fatigue are often exhausted, but can’t snooze when they get the chance. There are a few methods to avoid fatigue.

Whether you’re experiencing excessive fatigue, see your doctor to see if you have an underlying sleep disorder.

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