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Toddler sleep ranges 11–14 hours per day at ages 1–2, and 10–13 hours at 3–5 years, counting naps.

Most adult distance runners thrive on 7–9 hours per night, stretching to 8–10 hours during heavy training or race-prep weeks.

Most women do best with 7–9 hours nightly; teens need 8–10 and older adults 7–8, with life stages like pregnancy and menopause shifting needs.

Most 6-month-olds need 12–16 hours of sleep per 24 hours, often ~10–11 at night plus 2–4 hours of naps across 2–3 naps.

Baby sleep needs range by age—newborns average 14–17 hours, while 4–12-month infants need 12–16 hours in 24 hours, including naps.

Toddlers ages 1–2 years usually need 11–14 hours of sleep in 24 hours, including daytime naps.

Most adult men do best with 7–9 hours each night, while men 65+ usually land near 7–8 hours based on major sleep bodies.