Is 6.5 Hours of Sleep Enough?

In our whole lifetime, every one of us spends almost 25 hours averagely only by sleeping. But unfortunately, most of us have no clear idea about how much sleep needed for him/her. When you asked this question to anyone in that case most of the time, they replied that you require at least 8-9 hours of sleep every night.

What do you think, is it true or just a myth? Don’t be impatient. Our article will give you the answer and also provide you proper facts and documents to understand that 6.5 hours of sleep is enough or not for a person. Let’s start:

Is 6.5 Hours of Sleep Enough?

The importance of sleep cannot be described in words. Though most of us have no clear idea about what sleeping hours will be perfect for us. Some of us think that 6-7 hours is enough to sleep while others have a different opinion.

Neuroscientist Dr. Ying-Hui Fu done the research and reach the conclusion that people who naturally wake up after only 4 to 6 hours of sleep are more susceptible to carry throughout the day effortlessly.

Read also: is 4 hours of sleep enough?

Dr. Daniel F. Kripke is one of the most acclaimed sleep researchers and he completely denied that 8- 9 hours sleeping rule. In his most recent study, he found that there’s never been any evidence in favor of this type of concept. It is only stereotyped thinking. Indeed, it has no acceptance at all. In his study, he collected and analyzed data from Cancer Prevention Study II (CPS-II) from the American Cancer Society. His finding in this study is people who sleep between 6.5 – 7.5 hours a night are happier, live the longest, and most productive.

Another specialist in this field Dr. Christopher Winter said that 8-9 hours sleeping concept might come from an old sleep study where patients self-reported getting an average of eight hours of sleep. The American Academy of Sleep Medicine and the Sleep Research Society advised 6.5- 7 hours for sleep. Both of the organizations also admonish that sleeping more than 9 might be harmful to your health. Any of these experts have not recommended exactly 8 or more hours for sleep.

Those studies and researches prove that 6/6.5- 7/7.5 hours sleep is enough for yourself. We recommended you to determine your sleeping hours according to your lifestyle, labor hours, mood, living environment, dishcloth gourd, other daily activities. It is wise to consider all of these factors and consults with a specialist doctor before determining sleeping hours. Though 6.5 hours of sleeping is also not bad for a person and in most cases, it is more than enough. 


Multiple studies find that people who sleep 6/ 6.5 hours are healthier than those who sleep over 9 hours per night. In our point of view 6/6.5–the 7-hours range is standard and just fine; 7–8 hours are also fine, but anything over 9 hours is overmuch for an adult person.

We can assure you that 6-6.5 hours of sleep is more than enough for you to lead a healthy life. In our opinion 6/6.5- 7/7.5 hours is a standard period for night’s sleep. You don’t require to sleep necessarily 8 or more hours. At the same time, we think 6.5 hours is enough for an adult person to get proper sleep at night.


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