ions and the control of sleep and wakefulness. Circadian rhythms are controlled centrally by the suprachiasmatic nucleus, and are most strongly infuenced by light.

I have been working on writing a new book about bears. I love this time of year, because it forces me to sit in front of my computer and write. Thousands of words ...

Your sleeping position reveals your personality. Yes, the way you sleep at night is more than just a habit—it’s a window into ...

Most living creatures engage in some form of sleep. Countless studies illustrate how animals adapt sleep for their own particular needs. Primates, elephants, marine mammals, insects, birds ...

Scientists also examined the impact of the popular sleep aid, zolpidem, on the brain cleansing process. It emerged that waves of noradrenaline were 50% weaker in mice treated with this drug ...

We asked a sleep expert to explain the link. There’s nothing like the content yet tired feeling that comes after spending the day outside in nature. Perhaps you’ve felt it after a day spent in ...