The pilot episode is about 2nd Mass as they make and break camp, sleep in vacant homes (only military can sleep in homes, civilians sleep in tents), and gather ammo and food just trying to hide and survive.

FORBES: Spielberg's Falling Skies Not So Original

Holy Week tourists too excited to sleep after Saturday night's Easter Vigil mass ends, at around 2 am, could stay up another five hours or so for more revelry the morning of Easter Sunday.

BBC: Easter in Rome

In England, he said people must have a Body Mass Index (BMI) of 35 with related health problems, such as diabetes or sleep apnoea, or 40 without.

BBC: Obesity in Wales 'just behind USA', Dr Nadim Haboubi warns