Think of the time you wake up. What do you do? You probably constrict or tighten your muscles for a second before stretching—arms above your head, feet stretching downward. After engaging in this ...

Action automatique et forcée par laquelle on porte les bras en haut en renversant la tête et le tronc en arrière en allongeant les jambes, accompagnée de bâillements. La présence simultanée du ...

When you wake up in the morning, do you choose to do that curled-fist stretch you always yawn through ― or is it kind of involuntary? If you don’t feel in control of the satisfying movement, you might ...

Thanks to the rise of social media, we’ve become used to people sharing the sort of information that 15 years ago we would have thought “a bit too much”. I open Facebook with my fingers over my eyes ...