-
Abandoning daylight saving time could prevent over 300,000 stroke cases a year in the US, study claimsSpringing forward by an hour each March knocks the circadian rhythm out of alignment. A new model of the chronic health impacts argues for scrapping it entirely.
43 Comments -
Can you dream during non-REM sleep?People report vivid dreams during rapid-eye-movement sleep. But is this sleep stage really the only time we dream?
-
Sleep: Facts about how and why we sleepLearn facts about sleep, during which the body rests, recuperates and performs essential repairs.
-
Rare genetic mutation lets some people thrive on just 4 hours of shut-eyeA newly identified mutation helps super-sleepers get by on just four to six hours of shut-eye per night, while the rest of us need around eight hours. Researchers described the SIK3-N783Y mutation in a new study after testing it on sleep-deprived inbred mice.
8 Comments -
Why do we get a 'second wind' of energy at the end of the day?That second wave of energy is a normal part of the human circadian rhythm, but lifestyle factors also play a role.
-
Science of sleep quiz: How much do you know about sleep and dreams?Test your knowledge of how sleeping and dreaming work.
-
Early study reveals why sleeping pills may not supply the best-quality snoozeA new study in mice suggests that sleeping pills may impede the brain's ability to "cleanse" itself during sleep.
-
Do blind people 'see' images in their dreams?For people who have been blind since birth, brain scans alone can't reveal if they dream in images.
-
Does the brain flush out toxins while you sleep?As we sleep, the brain rids itself of waste built up throughout the day. But how?
