That is not an idiom. It means exactly what it says, that someone was roused to eternal wakefulness. You might need a dictionary instead.
Hours of wakefulness are measured on a ratio level. This is because there is a true zero point (zero hours indicates no wakefulness), and the differences between values are meaningful and consistent. Additionally, you can perform a variety of mathematical operations, such as addition and multiplication, on these measurements.
the pineal gland
Pineal gland
Pineal gland
This is not an idiom. It means just what it sounds like it means -- somebody was roused into eternal wakefulness. You just need a dictionary, I suppose.
Circadian
Circadian
Pineal gland
melatonin
Roused to eternal wakefulness means someone is alert and paying attention. They may have been overlooking something or not concentrating in the past and are now very aware of the situation.
yes it is