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Harvard Health Blog
Too little sleep, and too much, affect memory
- By: Howard E. LeWine, MD, Chief Medical Editor, Harvard Health Publishing
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles. No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
I just wanna say thank you for your article because this article was very useful and helped me to learn.
Through out day our mind is continuously working even then we are not working it is the only m/c which human can not build it works continuously hence in 24 hours it needs min 6 hours of rest if it don’t get that much amount of rest then obviously it’s functions stop working slowly slowly.
Another great post. Thank you, thank you.
All true. I sleep 5 hours and sometimes forget such simple names, numbers. Thank you for this article
hi above is very good article,define what is cicaridian sleep.if you are not taking a sound sleep in last night it can affect your next morning.
I got useful information about sleep. Sleep plays important role during the whole day. If you take too little sleep. You will get tired next day. it is right thing that too much sleep affects the memory.
This is a good article. I know I sometimes don’t sleep well and I’m tired the next day. I think it’s worse when I sleep too much.
Useful information, articles like these that I find useful is clear and concise, thank you for all the contributions and lifestyles have become the trend of today and the future
“Use your bed only for sleeping or lovemaking. Avoid reading and watching television in bed.” is a good one. Watching TV in bed can effect REM sleep. Also caffeine even after 12 pm can affect sleep in my experience.
Great article! Not only is getting enough sleep absolutely imperative to good health and well being, the quality of your bedding makes ALL the difference! If you’re going to spend a third of your life in bed, make it a good bed! I didn’t figure this one one until I was 32 years old.
Practice your breathing as well… get some help if necessary.
Keep up the good work
you should consider doing research on polyphasic sleeping.
It has been attempted and studied by a few people but not a single proper experiment has been attempted.
I’m personally sleeping 4 hours a day currently without any significant decrease in my awareness. [ went down as low as 2 h a day without heavy physical exercise].. but would it work for everyone that properly adapts ?
Those 12 tips for better sleep worked great for me.
Exercise definitely helps, I’ve never known anyone who does physical labor all day have a problem falling asleep. That said, if you can exercise 45 minutes a day in a safe manner, using enough intensity – it’s a huge step in the right direction. Also, making sure not too eat too much as indigestion, bloating etc can affect sleep. Great post, thanks! –
Many bad and good effects are available for sleep.Good sleep also helps to get better skin on our body.
Hi, nice article
Again a great informative article from the Harvard health Blog..Regular proper sleep is more important for the good health..i sleeps 5 hrs a day but sometime i also sleeps in day. According to a study conducted “during sleep the brain repairs itself to better acquire new information” so regular limited sleep is very much important!
i never knew about these kind of severe bad effects of less sleeping and over sleeping, i mean what you have described and explained above like heart diseases, stroke, type ii diabetes, depression etc. i feel very lucky to have read your article. thanks for sharing, Mr.Howard 🙂
that’s a very good article and tips..too little or too much in anything (not just in sleep) is not good..
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