Waking up early

[1][2][3] Within the context of religious observances, spiritual writers have called this practice "the heroic minute", referring to the sacrifice which this entails.

[4] The philosopher Aristotle wrote in his Economics that "Rising before daylight is also to be commended; it is a healthy habit, and gives more time for the management of the household as well as for liberal studies.

It is a saying that is viewed as a commonsensical proverb, which was included in "A Method of Prayer" by Mathew Henry who also listed it as a phrase "long said.

Teenagers tend to require at least 9 full hours of sleep each night,[11] and changes to the endocrine system during puberty shift the natural wake time later in the morning.

[12] Enforcing early start times despite this can have negative effects on mood, academic performance, and social skills.