Why do we sleep? What happens during sleep? What do dreams mean?
How light from gadgets' screens affects our sleep-wake cycles. Do smart phones affect sleep? ›
Most of us today adhere to a similar cycle of sleep. Staying awake through the day, we sleep through the night, when the absence of daylight makes outdoor activities impractical. This circadian rhythm is regulated by light sources in our environment, such as the Sun. The common practise of sleeping for just one continuous period daily - at night - is known...
What happens when someone is deprived of sleep?
Common disorders associated with sleep.
A look at the stages of sleep we experience at night.
How light from gadgets' screens affects our sleep-wake cycles.
A look at polyphasic sleep patterns - naps throughout the day - and their impact on...
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