Have you ever wondered why you spend so much of your life sleeping?Just like electricity charges the battery of a mobile phone,sleep recharges your body and your mind. Sleep is a natural and temporary state of rest,brought on by your "body clock"—a system inside your brain that helps ...
If you’re tired, it’s tempting to take a short nap before dinner. But late naps can interfere with your nighttime sleep. If you’re having trouble sleeping at night, avoid napping during the day. Instead, go for a short walk or a light stretch during your lunch break and then return...
Babies generally sleep so much because their bodies are new, and thus need to undergo much more growth and development compared to adult bodies. For...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough...
For example, research has long suggested a link between sleep disturbances and depression—usually either insomnia (trouble sleeping enough) or hypersomnia (sleeping too much). Certain anxiety disorders could also lead to drowsiness by causing difficulty sleeping at night since they can make it ...
The best of National Geographic delivered to your inbox Sign up for more inspiring photos, stories, and special offers from National Geographic.Sign Up Legal Terms of Use Privacy Policy Interest-Based Ads Our Sites Nat Geo Home Attend a Live Event Book a Trip Buy Maps Inspire Your Kids Shop...
Upon setting up our camp, I unrolled my sleeping bag and was so _ 6 as to fall asleep immediately.The rest of the team was still busy making a 7 , but I was already dead to the world, only8 that the fire's heat made it nice and warm. Carrying our sleeping bags, we hiked ...
Some people like sleeping during the day, but I think it is a waste (浪费) of time.At noon, I have a simple lunch. I usually have some rice and vegetables. By the way, when my mother isn't at home, I have two hamburgers sometimes, because my mother doesn't allow (允许) me ...
Harris said that sleeping pills and aids are not ideal for most people, but said cognitive-behavioral therapy for insomnia may offer an alternative solution to medication. She said most people try four to eight sessions of the therapy and if that doesn't work, then she would recommend sleeping...
A lack of sleep can take you out of sync with your circadian rhythm, making you feel more sleepy. If you are constantly feeling tired, it might be time to change your sleeping pattern. For example, if you can’t nap after eating because you’re at work, try to extend your nightly sl...
Why does light pollution affect sleeping? Why is nutrition important? Why do babies sleep so much? Why do dogs sleep so much? How does sleep affect child development? Why is vigorous exercise important? Why do people talk in their sleep?