Most one-year-olds need 11–14 hours of total daily sleep, including night sleep and 1–2 daytime naps.

A 7-month-old usually sleeps 12–16 hours in 24 hours, with 10–12 hours at night and 2–4 hours across 2–3 naps.

Most 8-month-olds need about 13–14 hours in 24 hours—10–12 hours at night plus 2–4 hours across 2–3 naps.

Most 3-year-olds need 10–13 hours of sleep in 24 hours, usually 10–12 hours at night plus a 1–2 hour nap.

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.