[Matthew] has written up a thorough treatment of Sunbeam movements in particular that ... If you’ve ever wanted to get into clock or watch repair, this looks like a great way to get your feet ...

[shiura]’s Hollow Clock 3 is a fantastic 3D printed take on a clock movement that uses a hidden mechanism to pull off its unusual operation. The Hollow Clock has no face, just an open space with ...

Misalignment between the brain’s and liver’s circadian clocks, connected by the HVAN, leads to disordered eating and weight ...

It had a quarter-chime movement, which means that, if the clock had been working, it would have chimed every 15 minutes — a challenging clock for a beginner to repair, Mr. Barnes said.

Experts have attributed the 3-5 am waking time to fluctuations in blood sugar levels. A slight drop in sugar levels triggers the release of cortisol and adrenaline which may also disrupt sleep.