Assuming you don't have to stop reading for an emergency, at what point do you prefer to put your book down?

I like to stop at the end of a chapter or if there's a break point on the page.
Location: Texas
Type: 3b/3c (i), below shoulder length.
CO wash: A-O GPB LYY, Salon Care Honey Almond, Devacurl OC, Acure Argan Stem Cell+Argan Oil, Mill Creek Botanicals Keratin Repair
Leave-ins: BWC, KCKT, cno overnight
Styling: BRHG, MGA Sculpting Gel, A-O Mandarin Magic Gel, LOTD AVG, LALSG
DT: Kiehl's Olive Fruit Oil Deeply Repairative Hair Pak, Curl Junkie Deep Fix, Briogeo Don't Despair Repair!