There is plenty of evidence about how important sunlight is to our circadian rhythm, and how the blue light we stare at on computers and televisions interrupts it. Many people have poor sleep, due to ...

We all know that co-worker. They’re the first one in the office and the last to leave. They work through lunch, send emails at 10pm and never seem to clock off. On the surface, they might seem like ...

The familiar tick-tock of wall clocks originates from the escapement mechanism, which controls gear movement in precise steps ...

Scientists say the return to "standard time" is good for our health. But the time change can be disruptive and we must also ...

If our doctors had their way, we would go to sleep every day well before midnight — our phones, tablets, and TVs nowhere in sight — and we’d wake up the next morning from the sunshine streaming ...