Changes

The optimal timing of dark period depends on your schedule. For most schedules, it should begin around 1-3 hours (the default recommendation is 2 hours) before your '''dusk/evening''' sleep (core for [[Everyman]], first core for [[Dual core]], [[TC1]], and [[TC2]], and evening core for [[Triphasic]].

The optimal timing of dark period depends on your schedule. For most schedules, it should begin around 1-3 hours (the default recommendation is 2 hours) before your '''dusk/evening''' sleep (core for [[Everyman]], first core for [[Dual core]], [[TC1]], and [[TC2]], and evening core for [[Triphasic]].

For [[E1]] and [[Siesta]], it should start before core and end immediately upon waking.

* For [[E1]] and [[Siesta]], it should start before core and end immediately upon waking.

For [[E2]], [[E3]] (including extended), and [[E4]] it should last until the end of first nap.

* For [[E2]], [[E3]] (including extended), and [[E4]] it should last until the end of first nap.

For [[Segmented]] and [[Dual core]], it should cover the entire core gap (gap between first and second core for Tri core), so long as it does not exceed 12 hours.

* For [[Segmented]] and [[Dual core]], it should cover the entire core gap (gap between first and second core for Tri core), so long as it does not exceed 12 hours.