Several sleep studies have been finding that seven hours is the optimal sleep time, not 8. The National Sleep Foundation currently recommends this seven- to nine-hour range as ideal for healthy adults.
One such study which followed the sleep habits of over one million people between the ages of 30 and 102 over a six-year period found that people who normally slept six hours or less and more than eight hours had higher morbidity. But the right amount of sleep is always going to be a personal and individual determination. An infant may need up to 17 hours of sleep each day, while an older adult may get by on just 7 hours of sleep … This supports an earlier study that found that in a group of 5431 people aged 45-69 over a two-year period, those who got more than 7-8 hours of sleep per night had a greater decline of cognitive function (other than memory) and those with less than that scored lower in every cognitive category. If you need to flag this entry as abusive, The essential guide to taking care of your mind and bodyPart of HuffPost Wellness. These cookies will be stored in your browser only with your consent. The information provided in our newsletters and special reports is believed to be accurate based on the best judgement of the Company and the authors. No action should be taken solely on the contents of this website. Neither the company nor the author's of any information provided accept responsibility for the actions or consequential results of any action taken by any reader. i agree that 7 hours feels a lot better in the morning than 8. however, i tend to pay more attention to how many full sleep cycles i get in... if i set my alarm for 7 1/2 hours, that's 5 full sleep cycles; if i set it for 9, that's 6 (assuming a full sleep cycle is 90 minutes). But there is a growing body of research that suggests the ideal amount of sleep may in fact be at the very low end of that range. ©2020 Verizon Media. 3.
The National Heart, Lung, and Blood Institute also published their own findings The range for hours of sleep each night for people aged 18-64 is 7-9 hours. How much sleep you need changes throughout your lifetime. A 2013 study tested participants through a cognitive-training website Now let’s relate to all of you sleep deprived college students. Several studies have found that seven hours a night is the best amount of sleep in order to function the next day—not eight, as was long believed. Shawn Youngstedt, professor in the College of Nursing and Health Innovation at ASU Phoenix Professor of psychiatry at UCSD Daniel F. Kripke spent 6 years tracking 1.1 million people participating in a large cancer So does sleeping less than the “golden” 8 hours actually help us perform better in cognitive testing and overall mental performance? So SC200 students, aim for a consistent 7 hours every night (and maybe when you’re scheduling classes consider taking your sleep schedule into mind and avoid those 8AMs for an extra hour or two). ©2020 Verizon Media. When you get enough sleep your body will wake you up,” said Safwan Badr, Chief of the Division of Pulmonary, Critical Care and Sleep Medicine at Wayne State University School of Medicine in Detroit.What’s more a problem, it seems, is getting enough.Necessary cookies are absolutely essential for the website to function properly. You also have the option to opt-out of these cookies. But opting out of some of these cookies may have an effect on your browsing experience.Why Seven Hours of Sleep Might be Better than Eight National Sleep Foundation guidelines advise that healthy adults need between 7 and 9 hours of sleep per night. Several There might be other benefits to sleeping 7 hours of sleep and not sleeping more. While there are certainly going to be some nights 7 hours of sleep is really impossible, aim for it.

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