However, there are some people who still just woke up late or excessive sleep despite sleeping at normal hours, even sleep can be more than 9 hours. If the needs of sleep have been met, why sometimes people are still often drowsy?
What causes you often sleepy when you have enough sleep?
According to a study conducted in 2013, the percentage of oversleeping Americans (increased sleep) increased from 27 to 37 percent from 1985-2007. If you are often sleepy when you have enough sleep, here are some causes that might explain your condition.
1. Sleep until noon during holidays
Due to crowded activities on a typical day, not infrequently many people spend their time off to sleep, especially on weekends. You may be one of those people who feel it's okay to sleep for long hours until noon on weekends because there's no activity or you do not have to work in the morning. However, it can also affect your fitness and make you feel always tired.
Sleeping adviser W Christopher Winter explains that the body has a regular sleep cycle during normal days. With that cycle, the body understands when to wake up and when to sleep. But adding sleep time on the weekend can disrupt it. This is what can make the body feel constantly tired and often drowsy because the cycle is messy. If you want to add hours of sleep, Winter suggested additional time no more than 60 or 90 minutes.
2. Hypersomnia
According to the American Sleep Association, hypersomnia is when a person shows signs of excessive sleepiness, looks like a person who is sleep deprived and can fall asleep anytime because of their mind that is always shrouded in sleepiness and desire to sleep. Even more extreme, although people with hypersomnia already sleep more than 12 hours a night, he still needs to sleep in the afternoon.
Hypersomnia is divided into two types, namely primary and secondary hypersomnia. Secondary hypersomnia is the most common type of hypersomnia. This type of hypersomnia can be caused by depression, obesity, epilepsy, or multiple (multiple) sclerosis. While primary hypersomnia, the cause may be associated with genetic disorders such as myotonic dystrophy, Prader-Willi syndrome and Norrie's disease.
3. Obstructive sleep apnea
According to the National Library of Medicine, obstructive sleep apnea (OSA) is a condition in which a person who does not get enough air while sleeping or in other words, cessation of breath for a while during sleep. OSA occurs when the upper airway is closed while breathing attempts persist.
This is what causes OSA sufferers to periodically wake up during the night so as not to get good sleep quality. The result is excessive drowsiness during the daytime. OSA sufferers can not sleep in normal cycles. This is because when they wake up even in just a short time, the sleep cycle changes from sleep back to light sleep. This is what causes them always feel often sleepy or wake up late despite having slept for 7 to 8 hours.
4. Alcohol
People who consume alcoholic beverages before going to sleep will be easier to fall asleep. This makes people think that alcohol improves sleep quality. But unfortunately not the case. Alcohol actually makes it difficult for you to reach the deep sleep phase and disrupt your sleep cycle.
Research conducted by the National Institute on Alcohol Abuse and Alcoholism has shown that drinking alcoholic beverages a few hours before bedtime can cause your sleep to become disorganized. It can even impact on poor sleep quality.
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